Home / 755,490.87-1,133,359.40-223,065.72

Finding the Fourth Proportional to 755,490.87, 1,133,359.40 and 223,065.72

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Solution

The fourth proportional to 755,490.87, 1,133,359.40 and 223,065.72 is: 334,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,490.87 : 1,133,359.40 = 223,065.72 : x
  2. Step 2: Convert to fraction form
    755,490.87/1,133,359.40 = 223,065.72/x
  3. Step 3: Cross multiply
    755,490.87x = 1,133,359.40 × 223,065.72
  4. Step 4: Simplify right side
    755,490.87x = 252,813,630,579.77
  5. Step 5: Solve for x
    x = 252,813,630,579.77/755,490.87
  6. Step 6: Final answer
    x = 334,634.92

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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.