Home / 945,687.60-1,418,531.40-385,124.40

Finding the Fourth Proportional to 945,687.60, 1,418,531.40 and 385,124.40

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Solution

The fourth proportional to 945,687.60, 1,418,531.40 and 385,124.40 is: 577,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,687.60 : 1,418,531.40 = 385,124.40 : x
  2. Step 2: Convert to fraction form
    945,687.60/1,418,531.40 = 385,124.40/x
  3. Step 3: Cross multiply
    945,687.60x = 1,418,531.40 × 385,124.40
  4. Step 4: Simplify right side
    945,687.60x = 546,311,054,306.16
  5. Step 5: Solve for x
    x = 546,311,054,306.16/945,687.60
  6. Step 6: Final answer
    x = 577,686.60

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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.