Home / 832,335.72-1,248,689.34-326,945.64

Finding the Fourth Proportional to 832,335.72, 1,248,689.34 and 326,945.64

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Solution

The fourth proportional to 832,335.72, 1,248,689.34 and 326,945.64 is: 490,491.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,335.72 : 1,248,689.34 = 326,945.64 : x
  2. Step 2: Convert to fraction form
    832,335.72/1,248,689.34 = 326,945.64/x
  3. Step 3: Cross multiply
    832,335.72x = 1,248,689.34 × 326,945.64
  4. Step 4: Simplify right side
    832,335.72x = 408,253,535,427.48
  5. Step 5: Solve for x
    x = 408,253,535,427.48/832,335.72
  6. Step 6: Final answer
    x = 490,491.43

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Double scale
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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.