Home / 945,671.20-1,418,257.20-472,007.20

Finding the Fourth Proportional to 945,671.20, 1,418,257.20 and 472,007.20

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Solution

The fourth proportional to 945,671.20, 1,418,257.20 and 472,007.20 is: 707,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,671.20 : 1,418,257.20 = 472,007.20 : x
  2. Step 2: Convert to fraction form
    945,671.20/1,418,257.20 = 472,007.20/x
  3. Step 3: Cross multiply
    945,671.20x = 1,418,257.20 × 472,007.20
  4. Step 4: Simplify right side
    945,671.20x = 669,427,609,851.84
  5. Step 5: Solve for x
    x = 669,427,609,851.84/945,671.20
  6. Step 6: Final answer
    x = 707,886.22

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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.