Home / 674,543.60-1,010,503.20-407,510.90

Finding the Fourth Proportional to 674,543.60, 1,010,503.20 and 407,510.90

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Solution

The fourth proportional to 674,543.60, 1,010,503.20 and 407,510.90 is: 610,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,543.60 : 1,010,503.20 = 407,510.90 : x
  2. Step 2: Convert to fraction form
    674,543.60/1,010,503.20 = 407,510.90/x
  3. Step 3: Cross multiply
    674,543.60x = 1,010,503.20 × 407,510.90
  4. Step 4: Simplify right side
    674,543.60x = 411,791,068,484.88
  5. Step 5: Solve for x
    x = 411,791,068,484.88/674,543.60
  6. Step 6: Final answer
    x = 610,473.61

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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.