Home / 741,755.61-1,023,623.31-402,223.86

Finding the Fourth Proportional to 741,755.61, 1,023,623.31 and 402,223.86

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Solution

The fourth proportional to 741,755.61, 1,023,623.31 and 402,223.86 is: 555,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,755.61 : 1,023,623.31 = 402,223.86 : x
  2. Step 2: Convert to fraction form
    741,755.61/1,023,623.31 = 402,223.86/x
  3. Step 3: Cross multiply
    741,755.61x = 1,023,623.31 × 402,223.86
  4. Step 4: Simplify right side
    741,755.61x = 411,725,718,934.18
  5. Step 5: Solve for x
    x = 411,725,718,934.18/741,755.61
  6. Step 6: Final answer
    x = 555,069.23

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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.