Home / 887,326.70-1,330,990.05-414,934.70

Finding the Fourth Proportional to 887,326.70, 1,330,990.05 and 414,934.70

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Solution

The fourth proportional to 887,326.70, 1,330,990.05 and 414,934.70 is: 622,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,326.70 : 1,330,990.05 = 414,934.70 : x
  2. Step 2: Convert to fraction form
    887,326.70/1,330,990.05 = 414,934.70/x
  3. Step 3: Cross multiply
    887,326.70x = 1,330,990.05 × 414,934.70
  4. Step 4: Simplify right side
    887,326.70x = 552,273,957,099.74
  5. Step 5: Solve for x
    x = 552,273,957,099.74/887,326.70
  6. Step 6: Final answer
    x = 622,402.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.