Home / 712,754.61-983,601.33-426,274.70

Finding the Fourth Proportional to 712,754.61, 983,601.33 and 426,274.70

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Solution

The fourth proportional to 712,754.61, 983,601.33 and 426,274.70 is: 588,259.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,754.61 : 983,601.33 = 426,274.70 : x
  2. Step 2: Convert to fraction form
    712,754.61/983,601.33 = 426,274.70/x
  3. Step 3: Cross multiply
    712,754.61x = 983,601.33 × 426,274.70
  4. Step 4: Simplify right side
    712,754.61x = 419,284,356,947.34
  5. Step 5: Solve for x
    x = 419,284,356,947.34/712,754.61
  6. Step 6: Final answer
    x = 588,259.06

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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.