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Finding the Fourth Proportional to 777,863.04, 1,073,444.64 and 433,694.88

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Solution

The fourth proportional to 777,863.04, 1,073,444.64 and 433,694.88 is: 598,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,863.04 : 1,073,444.64 = 433,694.88 : x
  2. Step 2: Convert to fraction form
    777,863.04/1,073,444.64 = 433,694.88/x
  3. Step 3: Cross multiply
    777,863.04x = 1,073,444.64 × 433,694.88
  4. Step 4: Simplify right side
    777,863.04x = 465,547,444,331.44
  5. Step 5: Solve for x
    x = 465,547,444,331.44/777,863.04
  6. Step 6: Final answer
    x = 598,495.39

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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.