Home / 765,784.14-1,148,675.85-292,517.34

Finding the Fourth Proportional to 765,784.14, 1,148,675.85 and 292,517.34

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Solution

The fourth proportional to 765,784.14, 1,148,675.85 and 292,517.34 is: 438,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,784.14 : 1,148,675.85 = 292,517.34 : x
  2. Step 2: Convert to fraction form
    765,784.14/1,148,675.85 = 292,517.34/x
  3. Step 3: Cross multiply
    765,784.14x = 1,148,675.85 × 292,517.34
  4. Step 4: Simplify right side
    765,784.14x = 336,007,604,164.24
  5. Step 5: Solve for x
    x = 336,007,604,164.24/765,784.14
  6. Step 6: Final answer
    x = 438,775.87

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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.