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Finding the Fourth Proportional to 526,879.20, 788,475.60 and 482,642.40

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Solution

The fourth proportional to 526,879.20, 788,475.60 and 482,642.40 is: 722,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,879.20 : 788,475.60 = 482,642.40 : x
  2. Step 2: Convert to fraction form
    526,879.20/788,475.60 = 482,642.40/x
  3. Step 3: Cross multiply
    526,879.20x = 788,475.60 × 482,642.40
  4. Step 4: Simplify right side
    526,879.20x = 380,551,755,925.44
  5. Step 5: Solve for x
    x = 380,551,755,925.44/526,879.20
  6. Step 6: Final answer
    x = 722,275.16

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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.