Home / 638,003.20-956,461.20-282,823.60

Finding the Fourth Proportional to 638,003.20, 956,461.20 and 282,823.60

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Solution

The fourth proportional to 638,003.20, 956,461.20 and 282,823.60 is: 423,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,003.20 : 956,461.20 = 282,823.60 : x
  2. Step 2: Convert to fraction form
    638,003.20/956,461.20 = 282,823.60/x
  3. Step 3: Cross multiply
    638,003.20x = 956,461.20 × 282,823.60
  4. Step 4: Simplify right side
    638,003.20x = 270,509,799,844.32
  5. Step 5: Solve for x
    x = 270,509,799,844.32/638,003.20
  6. Step 6: Final answer
    x = 423,994.42

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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.