Home / 762,393.92-1,052,104.28-422,862.16

Finding the Fourth Proportional to 762,393.92, 1,052,104.28 and 422,862.16

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Solution

The fourth proportional to 762,393.92, 1,052,104.28 and 422,862.16 is: 583,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,393.92 : 1,052,104.28 = 422,862.16 : x
  2. Step 2: Convert to fraction form
    762,393.92/1,052,104.28 = 422,862.16/x
  3. Step 3: Cross multiply
    762,393.92x = 1,052,104.28 × 422,862.16
  4. Step 4: Simplify right side
    762,393.92x = 444,895,088,386.05
  5. Step 5: Solve for x
    x = 444,895,088,386.05/762,393.92
  6. Step 6: Final answer
    x = 583,550.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.