Home / 749,883.74-1,125,088.08-217,436.72

Finding the Fourth Proportional to 749,883.74, 1,125,088.08 and 217,436.72

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Solution

The fourth proportional to 749,883.74, 1,125,088.08 and 217,436.72 is: 326,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,883.74 : 1,125,088.08 = 217,436.72 : x
  2. Step 2: Convert to fraction form
    749,883.74/1,125,088.08 = 217,436.72/x
  3. Step 3: Cross multiply
    749,883.74x = 1,125,088.08 × 217,436.72
  4. Step 4: Simplify right side
    749,883.74x = 244,635,461,826.30
  5. Step 5: Solve for x
    x = 244,635,461,826.30/749,883.74
  6. Step 6: Final answer
    x = 326,231.19

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Double scale
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Similar ratio
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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.