Home / 418,979.42-578,144.61-246,886.22

Finding the Fourth Proportional to 418,979.42, 578,144.61 and 246,886.22

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Solution

The fourth proportional to 418,979.42, 578,144.61 and 246,886.22 is: 340,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,979.42 : 578,144.61 = 246,886.22 : x
  2. Step 2: Convert to fraction form
    418,979.42/578,144.61 = 246,886.22/x
  3. Step 3: Cross multiply
    418,979.42x = 578,144.61 × 246,886.22
  4. Step 4: Simplify right side
    418,979.42x = 142,735,935,450.92
  5. Step 5: Solve for x
    x = 142,735,935,450.92/418,979.42
  6. Step 6: Final answer
    x = 340,675.29

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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.