Home / 886,402.20-1,329,614.10-287,358.60

Finding the Fourth Proportional to 886,402.20, 1,329,614.10 and 287,358.60

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Solution

The fourth proportional to 886,402.20, 1,329,614.10 and 287,358.60 is: 431,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,402.20 : 1,329,614.10 = 287,358.60 : x
  2. Step 2: Convert to fraction form
    886,402.20/1,329,614.10 = 287,358.60/x
  3. Step 3: Cross multiply
    886,402.20x = 1,329,614.10 × 287,358.60
  4. Step 4: Simplify right side
    886,402.20x = 382,076,046,316.26
  5. Step 5: Solve for x
    x = 382,076,046,316.26/886,402.20
  6. Step 6: Final answer
    x = 431,041.40

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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.