Home / 948,327.26-1,308,294.68-621,718.69

Finding the Fourth Proportional to 948,327.26, 1,308,294.68 and 621,718.69

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Solution

The fourth proportional to 948,327.26, 1,308,294.68 and 621,718.69 is: 857,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,327.26 : 1,308,294.68 = 621,718.69 : x
  2. Step 2: Convert to fraction form
    948,327.26/1,308,294.68 = 621,718.69/x
  3. Step 3: Cross multiply
    948,327.26x = 1,308,294.68 × 621,718.69
  4. Step 4: Simplify right side
    948,327.26x = 813,391,253,110.34
  5. Step 5: Solve for x
    x = 813,391,253,110.34/948,327.26
  6. Step 6: Final answer
    x = 857,711.56

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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.