Home / 1,050.14-1,573.87-433.12

Finding the Fourth Proportional to 1,050.14, 1,573.87 and 433.12

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Solution

The fourth proportional to 1,050.14, 1,573.87 and 433.12 is: 649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.14 : 1,573.87 = 433.12 : x
  2. Step 2: Convert to fraction form
    1,050.14/1,573.87 = 433.12/x
  3. Step 3: Cross multiply
    1,050.14x = 1,573.87 × 433.12
  4. Step 4: Simplify right side
    1,050.14x = 681,674.57
  5. Step 5: Solve for x
    x = 681,674.57/1,050.14
  6. Step 6: Final answer
    x = 649.13

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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.