Home / 758,675.80-1,138,013.70-197,710.30

Finding the Fourth Proportional to 758,675.80, 1,138,013.70 and 197,710.30

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Solution

The fourth proportional to 758,675.80, 1,138,013.70 and 197,710.30 is: 296,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,675.80 : 1,138,013.70 = 197,710.30 : x
  2. Step 2: Convert to fraction form
    758,675.80/1,138,013.70 = 197,710.30/x
  3. Step 3: Cross multiply
    758,675.80x = 1,138,013.70 × 197,710.30
  4. Step 4: Simplify right side
    758,675.80x = 224,997,030,031.11
  5. Step 5: Solve for x
    x = 224,997,030,031.11/758,675.80
  6. Step 6: Final answer
    x = 296,565.45

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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.