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Finding the Fourth Proportional to 532,050.63, 734,245.45 and 290,348.78

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Solution

The fourth proportional to 532,050.63, 734,245.45 and 290,348.78 is: 400,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,050.63 : 734,245.45 = 290,348.78 : x
  2. Step 2: Convert to fraction form
    532,050.63/734,245.45 = 290,348.78/x
  3. Step 3: Cross multiply
    532,050.63x = 734,245.45 × 290,348.78
  4. Step 4: Simplify right side
    532,050.63x = 213,187,270,628.05
  5. Step 5: Solve for x
    x = 213,187,270,628.05/532,050.63
  6. Step 6: Final answer
    x = 400,689.82

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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.