Home / 909,789.22-1,255,522.18-527,931.46

Finding the Fourth Proportional to 909,789.22, 1,255,522.18 and 527,931.46

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Solution

The fourth proportional to 909,789.22, 1,255,522.18 and 527,931.46 is: 728,552.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,789.22 : 1,255,522.18 = 527,931.46 : x
  2. Step 2: Convert to fraction form
    909,789.22/1,255,522.18 = 527,931.46/x
  3. Step 3: Cross multiply
    909,789.22x = 1,255,522.18 × 527,931.46
  4. Step 4: Simplify right side
    909,789.22x = 662,829,657,549.78
  5. Step 5: Solve for x
    x = 662,829,657,549.78/909,789.22
  6. Step 6: Final answer
    x = 728,552.99

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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.