Home / 697,246.80-1,046,561.40-342,661.20

Finding the Fourth Proportional to 697,246.80, 1,046,561.40 and 342,661.20

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Solution

The fourth proportional to 697,246.80, 1,046,561.40 and 342,661.20 is: 514,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,246.80 : 1,046,561.40 = 342,661.20 : x
  2. Step 2: Convert to fraction form
    697,246.80/1,046,561.40 = 342,661.20/x
  3. Step 3: Cross multiply
    697,246.80x = 1,046,561.40 × 342,661.20
  4. Step 4: Simplify right side
    697,246.80x = 358,615,985,197.68
  5. Step 5: Solve for x
    x = 358,615,985,197.68/697,246.80
  6. Step 6: Final answer
    x = 514,331.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.