Home / 712,755.30-983,602.26-426,275.38

Finding the Fourth Proportional to 712,755.30, 983,602.26 and 426,275.38

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Solution

The fourth proportional to 712,755.30, 983,602.26 and 426,275.38 is: 588,259.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,755.30 : 983,602.26 = 426,275.38 : x
  2. Step 2: Convert to fraction form
    712,755.30/983,602.26 = 426,275.38/x
  3. Step 3: Cross multiply
    712,755.30x = 983,602.26 × 426,275.38
  4. Step 4: Simplify right side
    712,755.30x = 419,285,427,150.36
  5. Step 5: Solve for x
    x = 419,285,427,150.36/712,755.30
  6. Step 6: Final answer
    x = 588,259.99

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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.