Home / 670,501.77-1,005,752.65-197,187.13

Finding the Fourth Proportional to 670,501.77, 1,005,752.65 and 197,187.13

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Solution

The fourth proportional to 670,501.77, 1,005,752.65 and 197,187.13 is: 295,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,501.77 : 1,005,752.65 = 197,187.13 : x
  2. Step 2: Convert to fraction form
    670,501.77/1,005,752.65 = 197,187.13/x
  3. Step 3: Cross multiply
    670,501.77x = 1,005,752.65 × 197,187.13
  4. Step 4: Simplify right side
    670,501.77x = 198,321,474,019.99
  5. Step 5: Solve for x
    x = 198,321,474,019.99/670,501.77
  6. Step 6: Final answer
    x = 295,780.69

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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.