Home / 774,585.90-1,161,431.85-300,717.66

Finding the Fourth Proportional to 774,585.90, 1,161,431.85 and 300,717.66

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Solution

The fourth proportional to 774,585.90, 1,161,431.85 and 300,717.66 is: 450,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,585.90 : 1,161,431.85 = 300,717.66 : x
  2. Step 2: Convert to fraction form
    774,585.90/1,161,431.85 = 300,717.66/x
  3. Step 3: Cross multiply
    774,585.90x = 1,161,431.85 × 300,717.66
  4. Step 4: Simplify right side
    774,585.90x = 349,263,068,181.47
  5. Step 5: Solve for x
    x = 349,263,068,181.47/774,585.90
  6. Step 6: Final answer
    x = 450,902.95

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1.5x scale

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.