Home / 856,833.20-1,283,897.98-316,346.24

Finding the Fourth Proportional to 856,833.20, 1,283,897.98 and 316,346.24

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Solution

The fourth proportional to 856,833.20, 1,283,897.98 and 316,346.24 is: 474,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,833.20 : 1,283,897.98 = 316,346.24 : x
  2. Step 2: Convert to fraction form
    856,833.20/1,283,897.98 = 316,346.24/x
  3. Step 3: Cross multiply
    856,833.20x = 1,283,897.98 × 316,346.24
  4. Step 4: Simplify right side
    856,833.20x = 406,156,298,516.60
  5. Step 5: Solve for x
    x = 406,156,298,516.60/856,833.20
  6. Step 6: Final answer
    x = 474,020.26

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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.