Home / 761,349.04-1,142,128.40-255,949.20

Finding the Fourth Proportional to 761,349.04, 1,142,128.40 and 255,949.20

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Solution

The fourth proportional to 761,349.04, 1,142,128.40 and 255,949.20 is: 383,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,349.04 : 1,142,128.40 = 255,949.20 : x
  2. Step 2: Convert to fraction form
    761,349.04/1,142,128.40 = 255,949.20/x
  3. Step 3: Cross multiply
    761,349.04x = 1,142,128.40 × 255,949.20
  4. Step 4: Simplify right side
    761,349.04x = 292,326,850,277.28
  5. Step 5: Solve for x
    x = 292,326,850,277.28/761,349.04
  6. Step 6: Final answer
    x = 383,959.04

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Double scale
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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.