Home / 924,485.60-1,386,862.80-392,005.60

Finding the Fourth Proportional to 924,485.60, 1,386,862.80 and 392,005.60

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Solution

The fourth proportional to 924,485.60, 1,386,862.80 and 392,005.60 is: 588,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,485.60 : 1,386,862.80 = 392,005.60 : x
  2. Step 2: Convert to fraction form
    924,485.60/1,386,862.80 = 392,005.60/x
  3. Step 3: Cross multiply
    924,485.60x = 1,386,862.80 × 392,005.60
  4. Step 4: Simplify right side
    924,485.60x = 543,657,984,031.68
  5. Step 5: Solve for x
    x = 543,657,984,031.68/924,485.60
  6. Step 6: Final answer
    x = 588,065.39

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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.