Home / 854,214.60-1,279,572.30-433,727.40

Finding the Fourth Proportional to 854,214.60, 1,279,572.30 and 433,727.40

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Solution

The fourth proportional to 854,214.60, 1,279,572.30 and 433,727.40 is: 649,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,214.60 : 1,279,572.30 = 433,727.40 : x
  2. Step 2: Convert to fraction form
    854,214.60/1,279,572.30 = 433,727.40/x
  3. Step 3: Cross multiply
    854,214.60x = 1,279,572.30 × 433,727.40
  4. Step 4: Simplify right side
    854,214.60x = 554,985,566,791.02
  5. Step 5: Solve for x
    x = 554,985,566,791.02/854,214.60
  6. Step 6: Final answer
    x = 649,702.74

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1.5x scale

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.