Home / 632,430.21-948,711.77-205,999.28

Finding the Fourth Proportional to 632,430.21, 948,711.77 and 205,999.28

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Solution

The fourth proportional to 632,430.21, 948,711.77 and 205,999.28 is: 309,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,430.21 : 948,711.77 = 205,999.28 : x
  2. Step 2: Convert to fraction form
    632,430.21/948,711.77 = 205,999.28/x
  3. Step 3: Cross multiply
    632,430.21x = 948,711.77 × 205,999.28
  4. Step 4: Simplify right side
    632,430.21x = 195,433,941,547.53
  5. Step 5: Solve for x
    x = 195,433,941,547.53/632,430.21
  6. Step 6: Final answer
    x = 309,020.57

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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.