Home / 924,145.80-1,385,181.90-391,576.20

Finding the Fourth Proportional to 924,145.80, 1,385,181.90 and 391,576.20

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Solution

The fourth proportional to 924,145.80, 1,385,181.90 and 391,576.20 is: 586,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,145.80 : 1,385,181.90 = 391,576.20 : x
  2. Step 2: Convert to fraction form
    924,145.80/1,385,181.90 = 391,576.20/x
  3. Step 3: Cross multiply
    924,145.80x = 1,385,181.90 × 391,576.20
  4. Step 4: Simplify right side
    924,145.80x = 542,404,264,710.78
  5. Step 5: Solve for x
    x = 542,404,264,710.78/924,145.80
  6. Step 6: Final answer
    x = 586,924.99

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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.