Home / 906,644.20-1,359,966.30-315,668.20

Finding the Fourth Proportional to 906,644.20, 1,359,966.30 and 315,668.20

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Solution

The fourth proportional to 906,644.20, 1,359,966.30 and 315,668.20 is: 473,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,644.20 : 1,359,966.30 = 315,668.20 : x
  2. Step 2: Convert to fraction form
    906,644.20/1,359,966.30 = 315,668.20/x
  3. Step 3: Cross multiply
    906,644.20x = 1,359,966.30 × 315,668.20
  4. Step 4: Simplify right side
    906,644.20x = 429,298,113,981.66
  5. Step 5: Solve for x
    x = 429,298,113,981.66/906,644.20
  6. Step 6: Final answer
    x = 473,502.30

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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.