Home / 762,319.62-1,143,585-257,025.24

Finding the Fourth Proportional to 762,319.62, 1,143,585 and 257,025.24

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Solution

The fourth proportional to 762,319.62, 1,143,585 and 257,025.24 is: 385,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,319.62 : 1,143,585 = 257,025.24 : x
  2. Step 2: Convert to fraction form
    762,319.62/1,143,585 = 257,025.24/x
  3. Step 3: Cross multiply
    762,319.62x = 1,143,585 × 257,025.24
  4. Step 4: Simplify right side
    762,319.62x = 293,930,209,085.40
  5. Step 5: Solve for x
    x = 293,930,209,085.40/762,319.62
  6. Step 6: Final answer
    x = 385,573.45

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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.