Home / 528,026.60-790,290.30-486,036.20

Finding the Fourth Proportional to 528,026.60, 790,290.30 and 486,036.20

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Solution

The fourth proportional to 528,026.60, 790,290.30 and 486,036.20 is: 727,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,026.60 : 790,290.30 = 486,036.20 : x
  2. Step 2: Convert to fraction form
    528,026.60/790,290.30 = 486,036.20/x
  3. Step 3: Cross multiply
    528,026.60x = 790,290.30 × 486,036.20
  4. Step 4: Simplify right side
    528,026.60x = 384,109,694,308.86
  5. Step 5: Solve for x
    x = 384,109,694,308.86/528,026.60
  6. Step 6: Final answer
    x = 727,443.83

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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.