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Finding the Fourth Proportional to 555,409.84, 765,892.24 and 475,103.20

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Solution

The fourth proportional to 555,409.84, 765,892.24 and 475,103.20 is: 655,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,409.84 : 765,892.24 = 475,103.20 : x
  2. Step 2: Convert to fraction form
    555,409.84/765,892.24 = 475,103.20/x
  3. Step 3: Cross multiply
    555,409.84x = 765,892.24 × 475,103.20
  4. Step 4: Simplify right side
    555,409.84x = 363,877,854,079.17
  5. Step 5: Solve for x
    x = 363,877,854,079.17/555,409.84
  6. Step 6: Final answer
    x = 655,151.98

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