Home / 916,543.30-1,373,648.55-442,207.30

Finding the Fourth Proportional to 916,543.30, 1,373,648.55 and 442,207.30

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Solution

The fourth proportional to 916,543.30, 1,373,648.55 and 442,207.30 is: 662,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,543.30 : 1,373,648.55 = 442,207.30 : x
  2. Step 2: Convert to fraction form
    916,543.30/1,373,648.55 = 442,207.30/x
  3. Step 3: Cross multiply
    916,543.30x = 1,373,648.55 × 442,207.30
  4. Step 4: Simplify right side
    916,543.30x = 607,437,416,444.42
  5. Step 5: Solve for x
    x = 607,437,416,444.42/916,543.30
  6. Step 6: Final answer
    x = 662,748.19

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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.