Home / 781,762.20-1,172,643.30-532,930.20

Finding the Fourth Proportional to 781,762.20, 1,172,643.30 and 532,930.20

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Solution

The fourth proportional to 781,762.20, 1,172,643.30 and 532,930.20 is: 799,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,762.20 : 1,172,643.30 = 532,930.20 : x
  2. Step 2: Convert to fraction form
    781,762.20/1,172,643.30 = 532,930.20/x
  3. Step 3: Cross multiply
    781,762.20x = 1,172,643.30 × 532,930.20
  4. Step 4: Simplify right side
    781,762.20x = 624,937,028,397.66
  5. Step 5: Solve for x
    x = 624,937,028,397.66/781,762.20
  6. Step 6: Final answer
    x = 799,395.30

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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.