Home / 832,221.76-1,149,641.76-662,238.40

Finding the Fourth Proportional to 832,221.76, 1,149,641.76 and 662,238.40

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Solution

The fourth proportional to 832,221.76, 1,149,641.76 and 662,238.40 is: 914,824.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,221.76 : 1,149,641.76 = 662,238.40 : x
  2. Step 2: Convert to fraction form
    832,221.76/1,149,641.76 = 662,238.40/x
  3. Step 3: Cross multiply
    832,221.76x = 1,149,641.76 × 662,238.40
  4. Step 4: Simplify right side
    832,221.76x = 761,336,919,715.58
  5. Step 5: Solve for x
    x = 761,336,919,715.58/832,221.76
  6. Step 6: Final answer
    x = 914,824.58

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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.