Home / 832,231.26-1,148,478.75-469,731.15

Finding the Fourth Proportional to 832,231.26, 1,148,478.75 and 469,731.15

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Solution

The fourth proportional to 832,231.26, 1,148,478.75 and 469,731.15 is: 648,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,231.26 : 1,148,478.75 = 469,731.15 : x
  2. Step 2: Convert to fraction form
    832,231.26/1,148,478.75 = 469,731.15/x
  3. Step 3: Cross multiply
    832,231.26x = 1,148,478.75 × 469,731.15
  4. Step 4: Simplify right side
    832,231.26x = 539,476,243,988.06
  5. Step 5: Solve for x
    x = 539,476,243,988.06/832,231.26
  6. Step 6: Final answer
    x = 648,228.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.