Home / 445,878.04-615,523.38-282,616.12

Finding the Fourth Proportional to 445,878.04, 615,523.38 and 282,616.12

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Solution

The fourth proportional to 445,878.04, 615,523.38 and 282,616.12 is: 390,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,878.04 : 615,523.38 = 282,616.12 : x
  2. Step 2: Convert to fraction form
    445,878.04/615,523.38 = 282,616.12/x
  3. Step 3: Cross multiply
    445,878.04x = 615,523.38 × 282,616.12
  4. Step 4: Simplify right side
    445,878.04x = 173,956,829,424.89
  5. Step 5: Solve for x
    x = 173,956,829,424.89/445,878.04
  6. Step 6: Final answer
    x = 390,144.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.