Home / 762,607.29-1,052,362.76-418,434.65

Finding the Fourth Proportional to 762,607.29, 1,052,362.76 and 418,434.65

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Solution

The fourth proportional to 762,607.29, 1,052,362.76 and 418,434.65 is: 577,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,607.29 : 1,052,362.76 = 418,434.65 : x
  2. Step 2: Convert to fraction form
    762,607.29/1,052,362.76 = 418,434.65/x
  3. Step 3: Cross multiply
    762,607.29x = 1,052,362.76 × 418,434.65
  4. Step 4: Simplify right side
    762,607.29x = 440,345,043,153.63
  5. Step 5: Solve for x
    x = 440,345,043,153.63/762,607.29
  6. Step 6: Final answer
    x = 577,420.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.