Home / 712,580.62-1,068,969.35-239,401.30

Finding the Fourth Proportional to 712,580.62, 1,068,969.35 and 239,401.30

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Solution

The fourth proportional to 712,580.62, 1,068,969.35 and 239,401.30 is: 359,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,580.62 : 1,068,969.35 = 239,401.30 : x
  2. Step 2: Convert to fraction form
    712,580.62/1,068,969.35 = 239,401.30/x
  3. Step 3: Cross multiply
    712,580.62x = 1,068,969.35 × 239,401.30
  4. Step 4: Simplify right side
    712,580.62x = 255,912,652,050.16
  5. Step 5: Solve for x
    x = 255,912,652,050.16/712,580.62
  6. Step 6: Final answer
    x = 359,135.02

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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.