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Finding the Fourth Proportional to 510,275.16, 704,104.92 and 306,282.87

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Solution

The fourth proportional to 510,275.16, 704,104.92 and 306,282.87 is: 422,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,275.16 : 704,104.92 = 306,282.87 : x
  2. Step 2: Convert to fraction form
    510,275.16/704,104.92 = 306,282.87/x
  3. Step 3: Cross multiply
    510,275.16x = 704,104.92 × 306,282.87
  4. Step 4: Simplify right side
    510,275.16x = 215,655,275,678.72
  5. Step 5: Solve for x
    x = 215,655,275,678.72/510,275.16
  6. Step 6: Final answer
    x = 422,625.46

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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.