Home / 749,604.78-1,124,407.14-217,125.96

Finding the Fourth Proportional to 749,604.78, 1,124,407.14 and 217,125.96

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Solution

The fourth proportional to 749,604.78, 1,124,407.14 and 217,125.96 is: 325,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,604.78 : 1,124,407.14 = 217,125.96 : x
  2. Step 2: Convert to fraction form
    749,604.78/1,124,407.14 = 217,125.96/x
  3. Step 3: Cross multiply
    749,604.78x = 1,124,407.14 × 217,125.96
  4. Step 4: Simplify right side
    749,604.78x = 244,137,979,703.35
  5. Step 5: Solve for x
    x = 244,137,979,703.35/749,604.78
  6. Step 6: Final answer
    x = 325,688.93

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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.