Home / 759,209.76-1,138,892.40-286,292.88

Finding the Fourth Proportional to 759,209.76, 1,138,892.40 and 286,292.88

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Solution

The fourth proportional to 759,209.76, 1,138,892.40 and 286,292.88 is: 429,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,209.76 : 1,138,892.40 = 286,292.88 : x
  2. Step 2: Convert to fraction form
    759,209.76/1,138,892.40 = 286,292.88/x
  3. Step 3: Cross multiply
    759,209.76x = 1,138,892.40 × 286,292.88
  4. Step 4: Simplify right side
    759,209.76x = 326,056,785,206.11
  5. Step 5: Solve for x
    x = 326,056,785,206.11/759,209.76
  6. Step 6: Final answer
    x = 429,468.64

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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.