Home / 1,444.50-2,165.27-623.30

Finding the Fourth Proportional to 1,444.50, 2,165.27 and 623.30

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Solution

The fourth proportional to 1,444.50, 2,165.27 and 623.30 is: 934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.50 : 2,165.27 = 623.30 : x
  2. Step 2: Convert to fraction form
    1,444.50/2,165.27 = 623.30/x
  3. Step 3: Cross multiply
    1,444.50x = 2,165.27 × 623.30
  4. Step 4: Simplify right side
    1,444.50x = 1,349,598.85
  5. Step 5: Solve for x
    x = 1,349,598.85/1,444.50
  6. Step 6: Final answer
    x = 934.30

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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.