Home / 724,812.35-1,000,690.55-467,133.18

Finding the Fourth Proportional to 724,812.35, 1,000,690.55 and 467,133.18

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Solution

The fourth proportional to 724,812.35, 1,000,690.55 and 467,133.18 is: 644,933.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,812.35 : 1,000,690.55 = 467,133.18 : x
  2. Step 2: Convert to fraction form
    724,812.35/1,000,690.55 = 467,133.18/x
  3. Step 3: Cross multiply
    724,812.35x = 1,000,690.55 × 467,133.18
  4. Step 4: Simplify right side
    724,812.35x = 467,455,757,108.57
  5. Step 5: Solve for x
    x = 467,455,757,108.57/724,812.35
  6. Step 6: Final answer
    x = 644,933.49

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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.