Home / 761,350.54-1,142,130.65-255,950.70

Finding the Fourth Proportional to 761,350.54, 1,142,130.65 and 255,950.70

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Solution

The fourth proportional to 761,350.54, 1,142,130.65 and 255,950.70 is: 383,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,350.54 : 1,142,130.65 = 255,950.70 : x
  2. Step 2: Convert to fraction form
    761,350.54/1,142,130.65 = 255,950.70/x
  3. Step 3: Cross multiply
    761,350.54x = 1,142,130.65 × 255,950.70
  4. Step 4: Simplify right side
    761,350.54x = 292,329,139,358.96
  5. Step 5: Solve for x
    x = 292,329,139,358.96/761,350.54
  6. Step 6: Final answer
    x = 383,961.30

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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.