Home / 493,386.28-680,873.04-267,031.78

Finding the Fourth Proportional to 493,386.28, 680,873.04 and 267,031.78

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Solution

The fourth proportional to 493,386.28, 680,873.04 and 267,031.78 is: 368,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,386.28 : 680,873.04 = 267,031.78 : x
  2. Step 2: Convert to fraction form
    493,386.28/680,873.04 = 267,031.78/x
  3. Step 3: Cross multiply
    493,386.28x = 680,873.04 × 267,031.78
  4. Step 4: Simplify right side
    493,386.28x = 181,814,739,825.21
  5. Step 5: Solve for x
    x = 181,814,739,825.21/493,386.28
  6. Step 6: Final answer
    x = 368,503.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.