Home / 761,887.90-1,142,841.57-525,167.02

Finding the Fourth Proportional to 761,887.90, 1,142,841.57 and 525,167.02

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Solution

The fourth proportional to 761,887.90, 1,142,841.57 and 525,167.02 is: 787,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,887.90 : 1,142,841.57 = 525,167.02 : x
  2. Step 2: Convert to fraction form
    761,887.90/1,142,841.57 = 525,167.02/x
  3. Step 3: Cross multiply
    761,887.90x = 1,142,841.57 × 525,167.02
  4. Step 4: Simplify right side
    761,887.90x = 600,182,701,649.02
  5. Step 5: Solve for x
    x = 600,182,701,649.02/761,887.90
  6. Step 6: Final answer
    x = 787,757.23

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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.