Home / 924,908.24-1,387,915.90-326,372.72

Finding the Fourth Proportional to 924,908.24, 1,387,915.90 and 326,372.72

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Solution

The fourth proportional to 924,908.24, 1,387,915.90 and 326,372.72 is: 489,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,908.24 : 1,387,915.90 = 326,372.72 : x
  2. Step 2: Convert to fraction form
    924,908.24/1,387,915.90 = 326,372.72/x
  3. Step 3: Cross multiply
    924,908.24x = 1,387,915.90 × 326,372.72
  4. Step 4: Simplify right side
    924,908.24x = 452,977,879,658.74
  5. Step 5: Solve for x
    x = 452,977,879,658.74/924,908.24
  6. Step 6: Final answer
    x = 489,754.40

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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.