Home / 902,962.42-1,246,127.42-540,316.78

Finding the Fourth Proportional to 902,962.42, 1,246,127.42 and 540,316.78

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Solution

The fourth proportional to 902,962.42, 1,246,127.42 and 540,316.78 is: 745,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,962.42 : 1,246,127.42 = 540,316.78 : x
  2. Step 2: Convert to fraction form
    902,962.42/1,246,127.42 = 540,316.78/x
  3. Step 3: Cross multiply
    902,962.42x = 1,246,127.42 × 540,316.78
  4. Step 4: Simplify right side
    902,962.42x = 673,303,553,279.58
  5. Step 5: Solve for x
    x = 673,303,553,279.58/902,962.42
  6. Step 6: Final answer
    x = 745,660.66

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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.