Home / 457,964.47-686,968.27-377,853.95

Finding the Fourth Proportional to 457,964.47, 686,968.27 and 377,853.95

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Solution

The fourth proportional to 457,964.47, 686,968.27 and 377,853.95 is: 566,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,964.47 : 686,968.27 = 377,853.95 : x
  2. Step 2: Convert to fraction form
    457,964.47/686,968.27 = 377,853.95/x
  3. Step 3: Cross multiply
    457,964.47x = 686,968.27 × 377,853.95
  4. Step 4: Simplify right side
    457,964.47x = 259,573,674,344.17
  5. Step 5: Solve for x
    x = 259,573,674,344.17/457,964.47
  6. Step 6: Final answer
    x = 566,798.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.