Home / 839,474.50-1,158,332.98-471,902.68

Finding the Fourth Proportional to 839,474.50, 1,158,332.98 and 471,902.68

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Solution

The fourth proportional to 839,474.50, 1,158,332.98 and 471,902.68 is: 651,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,474.50 : 1,158,332.98 = 471,902.68 : x
  2. Step 2: Convert to fraction form
    839,474.50/1,158,332.98 = 471,902.68/x
  3. Step 3: Cross multiply
    839,474.50x = 1,158,332.98 × 471,902.68
  4. Step 4: Simplify right side
    839,474.50x = 546,620,437,594.39
  5. Step 5: Solve for x
    x = 546,620,437,594.39/839,474.50
  6. Step 6: Final answer
    x = 651,145.97

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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.