Home / 563,104.01-777,096.08-321,381.72

Finding the Fourth Proportional to 563,104.01, 777,096.08 and 321,381.72

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Solution

The fourth proportional to 563,104.01, 777,096.08 and 321,381.72 is: 443,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,104.01 : 777,096.08 = 321,381.72 : x
  2. Step 2: Convert to fraction form
    563,104.01/777,096.08 = 321,381.72/x
  3. Step 3: Cross multiply
    563,104.01x = 777,096.08 × 321,381.72
  4. Step 4: Simplify right side
    563,104.01x = 249,744,474,393.93
  5. Step 5: Solve for x
    x = 249,744,474,393.93/563,104.01
  6. Step 6: Final answer
    x = 443,513.93

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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.