Home / 924,485.80-1,386,534.30-392,024.20

Finding the Fourth Proportional to 924,485.80, 1,386,534.30 and 392,024.20

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Solution

The fourth proportional to 924,485.80, 1,386,534.30 and 392,024.20 is: 587,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,485.80 : 1,386,534.30 = 392,024.20 : x
  2. Step 2: Convert to fraction form
    924,485.80/1,386,534.30 = 392,024.20/x
  3. Step 3: Cross multiply
    924,485.80x = 1,386,534.30 × 392,024.20
  4. Step 4: Simplify right side
    924,485.80x = 543,554,999,730.06
  5. Step 5: Solve for x
    x = 543,554,999,730.06/924,485.80
  6. Step 6: Final answer
    x = 587,953.87

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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.