Home / 777,002.60-1,072,564.90-607,291.88

Finding the Fourth Proportional to 777,002.60, 1,072,564.90 and 607,291.88

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Solution

The fourth proportional to 777,002.60, 1,072,564.90 and 607,291.88 is: 838,298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,002.60 : 1,072,564.90 = 607,291.88 : x
  2. Step 2: Convert to fraction form
    777,002.60/1,072,564.90 = 607,291.88/x
  3. Step 3: Cross multiply
    777,002.60x = 1,072,564.90 × 607,291.88
  4. Step 4: Simplify right side
    777,002.60x = 651,359,954,543.01
  5. Step 5: Solve for x
    x = 651,359,954,543.01/777,002.60
  6. Step 6: Final answer
    x = 838,298.29

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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.