Home / 864,446.94-1,192,871.04-501,812.40

Finding the Fourth Proportional to 864,446.94, 1,192,871.04 and 501,812.40

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Solution

The fourth proportional to 864,446.94, 1,192,871.04 and 501,812.40 is: 692,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,446.94 : 1,192,871.04 = 501,812.40 : x
  2. Step 2: Convert to fraction form
    864,446.94/1,192,871.04 = 501,812.40/x
  3. Step 3: Cross multiply
    864,446.94x = 1,192,871.04 × 501,812.40
  4. Step 4: Simplify right side
    864,446.94x = 598,597,479,472.90
  5. Step 5: Solve for x
    x = 598,597,479,472.90/864,446.94
  6. Step 6: Final answer
    x = 692,462.95

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1.5x scale

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.