Home / 748,972.08-1,123,466.32-216,497.72

Finding the Fourth Proportional to 748,972.08, 1,123,466.32 and 216,497.72

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Solution

The fourth proportional to 748,972.08, 1,123,466.32 and 216,497.72 is: 324,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,972.08 : 1,123,466.32 = 216,497.72 : x
  2. Step 2: Convert to fraction form
    748,972.08/1,123,466.32 = 216,497.72/x
  3. Step 3: Cross multiply
    748,972.08x = 1,123,466.32 × 216,497.72
  4. Step 4: Simplify right side
    748,972.08x = 243,227,896,776.79
  5. Step 5: Solve for x
    x = 243,227,896,776.79/748,972.08
  6. Step 6: Final answer
    x = 324,748.95

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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.