Home / 763,127.28-1,052,902.26-476,938.08

Finding the Fourth Proportional to 763,127.28, 1,052,902.26 and 476,938.08

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Solution

The fourth proportional to 763,127.28, 1,052,902.26 and 476,938.08 is: 658,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,127.28 : 1,052,902.26 = 476,938.08 : x
  2. Step 2: Convert to fraction form
    763,127.28/1,052,902.26 = 476,938.08/x
  3. Step 3: Cross multiply
    763,127.28x = 1,052,902.26 × 476,938.08
  4. Step 4: Simplify right side
    763,127.28x = 502,169,182,312.06
  5. Step 5: Solve for x
    x = 502,169,182,312.06/763,127.28
  6. Step 6: Final answer
    x = 658,041.19

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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.