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Finding the Fourth Proportional to 615,604.52, 847,639.30 and 524,756.84

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Solution

The fourth proportional to 615,604.52, 847,639.30 and 524,756.84 is: 722,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,604.52 : 847,639.30 = 524,756.84 : x
  2. Step 2: Convert to fraction form
    615,604.52/847,639.30 = 524,756.84/x
  3. Step 3: Cross multiply
    615,604.52x = 847,639.30 × 524,756.84
  4. Step 4: Simplify right side
    615,604.52x = 444,804,520,527.81
  5. Step 5: Solve for x
    x = 444,804,520,527.81/615,604.52
  6. Step 6: Final answer
    x = 722,549.15

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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.