Home / 830,527.30-1,245,013.35-650,512.90

Finding the Fourth Proportional to 830,527.30, 1,245,013.35 and 650,512.90

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Solution

The fourth proportional to 830,527.30, 1,245,013.35 and 650,512.90 is: 975,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,527.30 : 1,245,013.35 = 650,512.90 : x
  2. Step 2: Convert to fraction form
    830,527.30/1,245,013.35 = 650,512.90/x
  3. Step 3: Cross multiply
    830,527.30x = 1,245,013.35 × 650,512.90
  4. Step 4: Simplify right side
    830,527.30x = 809,897,244,847.22
  5. Step 5: Solve for x
    x = 809,897,244,847.22/830,527.30
  6. Step 6: Final answer
    x = 975,160.29

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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.