Home / 832,238.76-1,148,489.10-469,738.65

Finding the Fourth Proportional to 832,238.76, 1,148,489.10 and 469,738.65

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Solution

The fourth proportional to 832,238.76, 1,148,489.10 and 469,738.65 is: 648,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,238.76 : 1,148,489.10 = 469,738.65 : x
  2. Step 2: Convert to fraction form
    832,238.76/1,148,489.10 = 469,738.65/x
  3. Step 3: Cross multiply
    832,238.76x = 1,148,489.10 × 469,738.65
  4. Step 4: Simplify right side
    832,238.76x = 539,489,719,373.72
  5. Step 5: Solve for x
    x = 539,489,719,373.72/832,238.76
  6. Step 6: Final answer
    x = 648,239.12

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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.