Home / 902,353.76-1,245,248.20-539,792.88

Finding the Fourth Proportional to 902,353.76, 1,245,248.20 and 539,792.88

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Solution

The fourth proportional to 902,353.76, 1,245,248.20 and 539,792.88 is: 744,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,353.76 : 1,245,248.20 = 539,792.88 : x
  2. Step 2: Convert to fraction form
    902,353.76/1,245,248.20 = 539,792.88/x
  3. Step 3: Cross multiply
    902,353.76x = 1,245,248.20 × 539,792.88
  4. Step 4: Simplify right side
    902,353.76x = 672,176,112,192.82
  5. Step 5: Solve for x
    x = 672,176,112,192.82/902,353.76
  6. Step 6: Final answer
    x = 744,914.18

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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.