Home / 756,397.80-1,134,596.70-283,058.10

Finding the Fourth Proportional to 756,397.80, 1,134,596.70 and 283,058.10

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Solution

The fourth proportional to 756,397.80, 1,134,596.70 and 283,058.10 is: 424,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,397.80 : 1,134,596.70 = 283,058.10 : x
  2. Step 2: Convert to fraction form
    756,397.80/1,134,596.70 = 283,058.10/x
  3. Step 3: Cross multiply
    756,397.80x = 1,134,596.70 × 283,058.10
  4. Step 4: Simplify right side
    756,397.80x = 321,156,786,168.27
  5. Step 5: Solve for x
    x = 321,156,786,168.27/756,397.80
  6. Step 6: Final answer
    x = 424,587.15

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Double scale
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Similar ratio
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1.5x scale

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.