Home / 697,673.20-1,046,509.80-224,406.40

Finding the Fourth Proportional to 697,673.20, 1,046,509.80 and 224,406.40

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Solution

The fourth proportional to 697,673.20, 1,046,509.80 and 224,406.40 is: 336,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,673.20 : 1,046,509.80 = 224,406.40 : x
  2. Step 2: Convert to fraction form
    697,673.20/1,046,509.80 = 224,406.40/x
  3. Step 3: Cross multiply
    697,673.20x = 1,046,509.80 × 224,406.40
  4. Step 4: Simplify right side
    697,673.20x = 234,843,496,782.72
  5. Step 5: Solve for x
    x = 234,843,496,782.72/697,673.20
  6. Step 6: Final answer
    x = 336,609.60

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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.