Home / 924,400.80-1,386,601.20-325,357.20

Finding the Fourth Proportional to 924,400.80, 1,386,601.20 and 325,357.20

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Solution

The fourth proportional to 924,400.80, 1,386,601.20 and 325,357.20 is: 488,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,400.80 : 1,386,601.20 = 325,357.20 : x
  2. Step 2: Convert to fraction form
    924,400.80/1,386,601.20 = 325,357.20/x
  3. Step 3: Cross multiply
    924,400.80x = 1,386,601.20 × 325,357.20
  4. Step 4: Simplify right side
    924,400.80x = 451,140,683,948.64
  5. Step 5: Solve for x
    x = 451,140,683,948.64/924,400.80
  6. Step 6: Final answer
    x = 488,035.80

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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.