Home / 720,282.09-1,080,423.17-246,971.55

Finding the Fourth Proportional to 720,282.09, 1,080,423.17 and 246,971.55

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Solution

The fourth proportional to 720,282.09, 1,080,423.17 and 246,971.55 is: 370,457.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,282.09 : 1,080,423.17 = 246,971.55 : x
  2. Step 2: Convert to fraction form
    720,282.09/1,080,423.17 = 246,971.55/x
  3. Step 3: Cross multiply
    720,282.09x = 1,080,423.17 × 246,971.55
  4. Step 4: Simplify right side
    720,282.09x = 266,833,784,950.81
  5. Step 5: Solve for x
    x = 266,833,784,950.81/720,282.09
  6. Step 6: Final answer
    x = 370,457.34

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Double scale
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Similar ratio
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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.