Home / 563,090.87-777,081.18-342,327.80

Finding the Fourth Proportional to 563,090.87, 777,081.18 and 342,327.80

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Solution

The fourth proportional to 563,090.87, 777,081.18 and 342,327.80 is: 472,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,090.87 : 777,081.18 = 342,327.80 : x
  2. Step 2: Convert to fraction form
    563,090.87/777,081.18 = 342,327.80/x
  3. Step 3: Cross multiply
    563,090.87x = 777,081.18 × 342,327.80
  4. Step 4: Simplify right side
    563,090.87x = 266,016,490,770.80
  5. Step 5: Solve for x
    x = 266,016,490,770.80/563,090.87
  6. Step 6: Final answer
    x = 472,421.96

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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.