Home / 832,308.72-1,148,221.50-487,970.44

Finding the Fourth Proportional to 832,308.72, 1,148,221.50 and 487,970.44

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Solution

The fourth proportional to 832,308.72, 1,148,221.50 and 487,970.44 is: 673,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,308.72 : 1,148,221.50 = 487,970.44 : x
  2. Step 2: Convert to fraction form
    832,308.72/1,148,221.50 = 487,970.44/x
  3. Step 3: Cross multiply
    832,308.72x = 1,148,221.50 × 487,970.44
  4. Step 4: Simplify right side
    832,308.72x = 560,298,150,572.46
  5. Step 5: Solve for x
    x = 560,298,150,572.46/832,308.72
  6. Step 6: Final answer
    x = 673,185.49

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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.