Home / 802,728.32-1,204,117.76-297,415.68

Finding the Fourth Proportional to 802,728.32, 1,204,117.76 and 297,415.68

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Solution

The fourth proportional to 802,728.32, 1,204,117.76 and 297,415.68 is: 446,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,728.32 : 1,204,117.76 = 297,415.68 : x
  2. Step 2: Convert to fraction form
    802,728.32/1,204,117.76 = 297,415.68/x
  3. Step 3: Cross multiply
    802,728.32x = 1,204,117.76 × 297,415.68
  4. Step 4: Simplify right side
    802,728.32x = 358,123,502,390.48
  5. Step 5: Solve for x
    x = 358,123,502,390.48/802,728.32
  6. Step 6: Final answer
    x = 446,132.89

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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.