Home / 762,927.36-1,145,144.16-572,726.40

Finding the Fourth Proportional to 762,927.36, 1,145,144.16 and 572,726.40

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Solution

The fourth proportional to 762,927.36, 1,145,144.16 and 572,726.40 is: 859,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,927.36 : 1,145,144.16 = 572,726.40 : x
  2. Step 2: Convert to fraction form
    762,927.36/1,145,144.16 = 572,726.40/x
  3. Step 3: Cross multiply
    762,927.36x = 1,145,144.16 × 572,726.40
  4. Step 4: Simplify right side
    762,927.36x = 655,854,292,237.82
  5. Step 5: Solve for x
    x = 655,854,292,237.82/762,927.36
  6. Step 6: Final answer
    x = 859,654.96

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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.