Home / 902,476.80-1,245,331.20-539,827.20

Finding the Fourth Proportional to 902,476.80, 1,245,331.20 and 539,827.20

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Solution

The fourth proportional to 902,476.80, 1,245,331.20 and 539,827.20 is: 744,909.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,476.80 : 1,245,331.20 = 539,827.20 : x
  2. Step 2: Convert to fraction form
    902,476.80/1,245,331.20 = 539,827.20/x
  3. Step 3: Cross multiply
    902,476.80x = 1,245,331.20 × 539,827.20
  4. Step 4: Simplify right side
    902,476.80x = 672,263,654,768.64
  5. Step 5: Solve for x
    x = 672,263,654,768.64/902,476.80
  6. Step 6: Final answer
    x = 744,909.63

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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.