Home / 762,754.32-1,144,816.74-425,300.22

Finding the Fourth Proportional to 762,754.32, 1,144,816.74 and 425,300.22

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Solution

The fourth proportional to 762,754.32, 1,144,816.74 and 425,300.22 is: 638,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,754.32 : 1,144,816.74 = 425,300.22 : x
  2. Step 2: Convert to fraction form
    762,754.32/1,144,816.74 = 425,300.22/x
  3. Step 3: Cross multiply
    762,754.32x = 1,144,816.74 × 425,300.22
  4. Step 4: Simplify right side
    762,754.32x = 486,890,811,381.68
  5. Step 5: Solve for x
    x = 486,890,811,381.68/762,754.32
  6. Step 6: Final answer
    x = 638,332.42

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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.