Home / 684,934.60-1,028,568.30-486,646.60

Finding the Fourth Proportional to 684,934.60, 1,028,568.30 and 486,646.60

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Solution

The fourth proportional to 684,934.60, 1,028,568.30 and 486,646.60 is: 730,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,934.60 : 1,028,568.30 = 486,646.60 : x
  2. Step 2: Convert to fraction form
    684,934.60/1,028,568.30 = 486,646.60/x
  3. Step 3: Cross multiply
    684,934.60x = 1,028,568.30 × 486,646.60
  4. Step 4: Simplify right side
    684,934.60x = 500,549,266,062.78
  5. Step 5: Solve for x
    x = 500,549,266,062.78/684,934.60
  6. Step 6: Final answer
    x = 730,798.63

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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.