Home / 748,123.77-1,122,424.72-268,027.46

Finding the Fourth Proportional to 748,123.77, 1,122,424.72 and 268,027.46

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Solution

The fourth proportional to 748,123.77, 1,122,424.72 and 268,027.46 is: 402,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,123.77 : 1,122,424.72 = 268,027.46 : x
  2. Step 2: Convert to fraction form
    748,123.77/1,122,424.72 = 268,027.46/x
  3. Step 3: Cross multiply
    748,123.77x = 1,122,424.72 × 268,027.46
  4. Step 4: Simplify right side
    748,123.77x = 300,840,644,669.71
  5. Step 5: Solve for x
    x = 300,840,644,669.71/748,123.77
  6. Step 6: Final answer
    x = 402,126.83

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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.