Home / 774,423.38-1,161,459.81-294,479.55

Finding the Fourth Proportional to 774,423.38, 1,161,459.81 and 294,479.55

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Solution

The fourth proportional to 774,423.38, 1,161,459.81 and 294,479.55 is: 441,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,423.38 : 1,161,459.81 = 294,479.55 : x
  2. Step 2: Convert to fraction form
    774,423.38/1,161,459.81 = 294,479.55/x
  3. Step 3: Cross multiply
    774,423.38x = 1,161,459.81 × 294,479.55
  4. Step 4: Simplify right side
    774,423.38x = 342,026,162,191.89
  5. Step 5: Solve for x
    x = 342,026,162,191.89/774,423.38
  6. Step 6: Final answer
    x = 441,652.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.