Home / 500,343.18-690,577.84-459,993.04

Finding the Fourth Proportional to 500,343.18, 690,577.84 and 459,993.04

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Solution

The fourth proportional to 500,343.18, 690,577.84 and 459,993.04 is: 634,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,343.18 : 690,577.84 = 459,993.04 : x
  2. Step 2: Convert to fraction form
    500,343.18/690,577.84 = 459,993.04/x
  3. Step 3: Cross multiply
    500,343.18x = 690,577.84 × 459,993.04
  4. Step 4: Simplify right side
    500,343.18x = 317,660,999,978.23
  5. Step 5: Solve for x
    x = 317,660,999,978.23/500,343.18
  6. Step 6: Final answer
    x = 634,886.24

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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.