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Finding the Fourth Proportional to 586,019.87, 879,303.27 and 207,227.48

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Solution

The fourth proportional to 586,019.87, 879,303.27 and 207,227.48 is: 310,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,019.87 : 879,303.27 = 207,227.48 : x
  2. Step 2: Convert to fraction form
    586,019.87/879,303.27 = 207,227.48/x
  3. Step 3: Cross multiply
    586,019.87x = 879,303.27 × 207,227.48
  4. Step 4: Simplify right side
    586,019.87x = 182,215,800,797.86
  5. Step 5: Solve for x
    x = 182,215,800,797.86/586,019.87
  6. Step 6: Final answer
    x = 310,937.92

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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.