Home / 902,953.76-1,245,646.86-540,304.58

Finding the Fourth Proportional to 902,953.76, 1,245,646.86 and 540,304.58

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Solution

The fourth proportional to 902,953.76, 1,245,646.86 and 540,304.58 is: 745,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,953.76 : 1,245,646.86 = 540,304.58 : x
  2. Step 2: Convert to fraction form
    902,953.76/1,245,646.86 = 540,304.58/x
  3. Step 3: Cross multiply
    902,953.76x = 1,245,646.86 × 540,304.58
  4. Step 4: Simplify right side
    902,953.76x = 673,028,703,520.62
  5. Step 5: Solve for x
    x = 673,028,703,520.62/902,953.76
  6. Step 6: Final answer
    x = 745,363.42

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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.