Home / 918,923.96-1,267,929.24-536,876.94

Finding the Fourth Proportional to 918,923.96, 1,267,929.24 and 536,876.94

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Solution

The fourth proportional to 918,923.96, 1,267,929.24 and 536,876.94 is: 740,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,923.96 : 1,267,929.24 = 536,876.94 : x
  2. Step 2: Convert to fraction form
    918,923.96/1,267,929.24 = 536,876.94/x
  3. Step 3: Cross multiply
    918,923.96x = 1,267,929.24 × 536,876.94
  4. Step 4: Simplify right side
    918,923.96x = 680,721,970,507.73
  5. Step 5: Solve for x
    x = 680,721,970,507.73/918,923.96
  6. Step 6: Final answer
    x = 740,781.61

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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.