Home / 598,629.20-898,381.20-421,482.20

Finding the Fourth Proportional to 598,629.20, 898,381.20 and 421,482.20

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Solution

The fourth proportional to 598,629.20, 898,381.20 and 421,482.20 is: 632,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,629.20 : 898,381.20 = 421,482.20 : x
  2. Step 2: Convert to fraction form
    598,629.20/898,381.20 = 421,482.20/x
  3. Step 3: Cross multiply
    598,629.20x = 898,381.20 × 421,482.20
  4. Step 4: Simplify right side
    598,629.20x = 378,651,684,614.64
  5. Step 5: Solve for x
    x = 378,651,684,614.64/598,629.20
  6. Step 6: Final answer
    x = 632,531.26

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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.