Home / 720,627.22-1,080,985.40-240,898.19

Finding the Fourth Proportional to 720,627.22, 1,080,985.40 and 240,898.19

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Solution

The fourth proportional to 720,627.22, 1,080,985.40 and 240,898.19 is: 361,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,627.22 : 1,080,985.40 = 240,898.19 : x
  2. Step 2: Convert to fraction form
    720,627.22/1,080,985.40 = 240,898.19/x
  3. Step 3: Cross multiply
    720,627.22x = 1,080,985.40 × 240,898.19
  4. Step 4: Simplify right side
    720,627.22x = 260,407,426,276.43
  5. Step 5: Solve for x
    x = 260,407,426,276.43/720,627.22
  6. Step 6: Final answer
    x = 361,362.18

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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.