Home / 741,612.60-1,023,445.54-419,370.91

Finding the Fourth Proportional to 741,612.60, 1,023,445.54 and 419,370.91

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Solution

The fourth proportional to 741,612.60, 1,023,445.54 and 419,370.91 is: 578,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,612.60 : 1,023,445.54 = 419,370.91 : x
  2. Step 2: Convert to fraction form
    741,612.60/1,023,445.54 = 419,370.91/x
  3. Step 3: Cross multiply
    741,612.60x = 1,023,445.54 × 419,370.91
  4. Step 4: Simplify right side
    741,612.60x = 429,203,287,445.24
  5. Step 5: Solve for x
    x = 429,203,287,445.24/741,612.60
  6. Step 6: Final answer
    x = 578,743.25

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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.