Home / 676,479.28-933,431.70-404,659.48

Finding the Fourth Proportional to 676,479.28, 933,431.70 and 404,659.48

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Solution

The fourth proportional to 676,479.28, 933,431.70 and 404,659.48 is: 558,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,479.28 : 933,431.70 = 404,659.48 : x
  2. Step 2: Convert to fraction form
    676,479.28/933,431.70 = 404,659.48/x
  3. Step 3: Cross multiply
    676,479.28x = 933,431.70 × 404,659.48
  4. Step 4: Simplify right side
    676,479.28x = 377,721,986,337.52
  5. Step 5: Solve for x
    x = 377,721,986,337.52/676,479.28
  6. Step 6: Final answer
    x = 558,364.46

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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.