Home / 883,031.76-1,324,547.76-283,979.78

Finding the Fourth Proportional to 883,031.76, 1,324,547.76 and 283,979.78

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Solution

The fourth proportional to 883,031.76, 1,324,547.76 and 283,979.78 is: 425,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,031.76 : 1,324,547.76 = 283,979.78 : x
  2. Step 2: Convert to fraction form
    883,031.76/1,324,547.76 = 283,979.78/x
  3. Step 3: Cross multiply
    883,031.76x = 1,324,547.76 × 283,979.78
  4. Step 4: Simplify right side
    883,031.76x = 376,144,781,484.29
  5. Step 5: Solve for x
    x = 376,144,781,484.29/883,031.76
  6. Step 6: Final answer
    x = 425,969.71

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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.