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Finding the Fourth Proportional to 532,610.32, 735,007.80 and 290,899.84

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Solution

The fourth proportional to 532,610.32, 735,007.80 and 290,899.84 is: 401,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,610.32 : 735,007.80 = 290,899.84 : x
  2. Step 2: Convert to fraction form
    532,610.32/735,007.80 = 290,899.84/x
  3. Step 3: Cross multiply
    532,610.32x = 735,007.80 × 290,899.84
  4. Step 4: Simplify right side
    532,610.32x = 213,813,651,418.75
  5. Step 5: Solve for x
    x = 213,813,651,418.75/532,610.32
  6. Step 6: Final answer
    x = 401,444.82

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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.