Home / 1,050.32-1,574.34-433.70

Finding the Fourth Proportional to 1,050.32, 1,574.34 and 433.70

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Solution

The fourth proportional to 1,050.32, 1,574.34 and 433.70 is: 650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.32 : 1,574.34 = 433.70 : x
  2. Step 2: Convert to fraction form
    1,050.32/1,574.34 = 433.70/x
  3. Step 3: Cross multiply
    1,050.32x = 1,574.34 × 433.70
  4. Step 4: Simplify right side
    1,050.32x = 682,796.52
  5. Step 5: Solve for x
    x = 682,796.52/1,050.32
  6. Step 6: Final answer
    x = 650.09

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Double scale
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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.