Home / 908,347.11-1,253,458.85-545,786.25

Finding the Fourth Proportional to 908,347.11, 1,253,458.85 and 545,786.25

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Solution

The fourth proportional to 908,347.11, 1,253,458.85 and 545,786.25 is: 753,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,347.11 : 1,253,458.85 = 545,786.25 : x
  2. Step 2: Convert to fraction form
    908,347.11/1,253,458.85 = 545,786.25/x
  3. Step 3: Cross multiply
    908,347.11x = 1,253,458.85 × 545,786.25
  4. Step 4: Simplify right side
    908,347.11x = 684,120,602,541.88
  5. Step 5: Solve for x
    x = 684,120,602,541.88/908,347.11
  6. Step 6: Final answer
    x = 753,148.87

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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.