Home / 720,630.14-1,080,989.80-240,901.11

Finding the Fourth Proportional to 720,630.14, 1,080,989.80 and 240,901.11

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Solution

The fourth proportional to 720,630.14, 1,080,989.80 and 240,901.11 is: 361,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,630.14 : 1,080,989.80 = 240,901.11 : x
  2. Step 2: Convert to fraction form
    720,630.14/1,080,989.80 = 240,901.11/x
  3. Step 3: Cross multiply
    720,630.14x = 1,080,989.80 × 240,901.11
  4. Step 4: Simplify right side
    720,630.14x = 260,411,642,116.43
  5. Step 5: Solve for x
    x = 260,411,642,116.43/720,630.14
  6. Step 6: Final answer
    x = 361,366.57

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1.5x scale

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.