Home / 662,031.28-911,862.87-508,776.22

Finding the Fourth Proportional to 662,031.28, 911,862.87 and 508,776.22

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Solution

The fourth proportional to 662,031.28, 911,862.87 and 508,776.22 is: 700,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,031.28 : 911,862.87 = 508,776.22 : x
  2. Step 2: Convert to fraction form
    662,031.28/911,862.87 = 508,776.22/x
  3. Step 3: Cross multiply
    662,031.28x = 911,862.87 × 508,776.22
  4. Step 4: Simplify right side
    662,031.28x = 463,934,144,156.95
  5. Step 5: Solve for x
    x = 463,934,144,156.95/662,031.28
  6. Step 6: Final answer
    x = 700,773.75

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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.