Home / 887,145.57-1,223,834.13-581,089.50

Finding the Fourth Proportional to 887,145.57, 1,223,834.13 and 581,089.50

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Solution

The fourth proportional to 887,145.57, 1,223,834.13 and 581,089.50 is: 801,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,145.57 : 1,223,834.13 = 581,089.50 : x
  2. Step 2: Convert to fraction form
    887,145.57/1,223,834.13 = 581,089.50/x
  3. Step 3: Cross multiply
    887,145.57x = 1,223,834.13 × 581,089.50
  4. Step 4: Simplify right side
    887,145.57x = 711,157,162,684.64
  5. Step 5: Solve for x
    x = 711,157,162,684.64/887,145.57
  6. Step 6: Final answer
    x = 801,623.98

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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.