Home / 839,306.97-1,158,207.41-476,729.71

Finding the Fourth Proportional to 839,306.97, 1,158,207.41 and 476,729.71

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Solution

The fourth proportional to 839,306.97, 1,158,207.41 and 476,729.71 is: 657,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,306.97 : 1,158,207.41 = 476,729.71 : x
  2. Step 2: Convert to fraction form
    839,306.97/1,158,207.41 = 476,729.71/x
  3. Step 3: Cross multiply
    839,306.97x = 1,158,207.41 × 476,729.71
  4. Step 4: Simplify right side
    839,306.97x = 552,151,880,985.46
  5. Step 5: Solve for x
    x = 552,151,880,985.46/839,306.97
  6. Step 6: Final answer
    x = 657,866.43

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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.