Home / 753,133.26-1,039,320.14-408,966.12

Finding the Fourth Proportional to 753,133.26, 1,039,320.14 and 408,966.12

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Solution

The fourth proportional to 753,133.26, 1,039,320.14 and 408,966.12 is: 564,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,133.26 : 1,039,320.14 = 408,966.12 : x
  2. Step 2: Convert to fraction form
    753,133.26/1,039,320.14 = 408,966.12/x
  3. Step 3: Cross multiply
    753,133.26x = 1,039,320.14 × 408,966.12
  4. Step 4: Simplify right side
    753,133.26x = 425,046,725,093.66
  5. Step 5: Solve for x
    x = 425,046,725,093.66/753,133.26
  6. Step 6: Final answer
    x = 564,371.20

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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.