Home / 945,720.20-1,418,330.70-472,056.20

Finding the Fourth Proportional to 945,720.20, 1,418,330.70 and 472,056.20

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Solution

The fourth proportional to 945,720.20, 1,418,330.70 and 472,056.20 is: 707,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,720.20 : 1,418,330.70 = 472,056.20 : x
  2. Step 2: Convert to fraction form
    945,720.20/1,418,330.70 = 472,056.20/x
  3. Step 3: Cross multiply
    945,720.20x = 1,418,330.70 × 472,056.20
  4. Step 4: Simplify right side
    945,720.20x = 669,531,800,585.34
  5. Step 5: Solve for x
    x = 669,531,800,585.34/945,720.20
  6. Step 6: Final answer
    x = 707,959.71

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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.