Home / 674,319.60-928,666.62-659,622.96

Finding the Fourth Proportional to 674,319.60, 928,666.62 and 659,622.96

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Solution

The fourth proportional to 674,319.60, 928,666.62 and 659,622.96 is: 908,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,319.60 : 928,666.62 = 659,622.96 : x
  2. Step 2: Convert to fraction form
    674,319.60/928,666.62 = 659,622.96/x
  3. Step 3: Cross multiply
    674,319.60x = 928,666.62 × 659,622.96
  4. Step 4: Simplify right side
    674,319.60x = 612,569,824,737.60
  5. Step 5: Solve for x
    x = 612,569,824,737.60/674,319.60
  6. Step 6: Final answer
    x = 908,426.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.