Home / 413,005.92-570,148.38-276,990.18

Finding the Fourth Proportional to 413,005.92, 570,148.38 and 276,990.18

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Solution

The fourth proportional to 413,005.92, 570,148.38 and 276,990.18 is: 382,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,005.92 : 570,148.38 = 276,990.18 : x
  2. Step 2: Convert to fraction form
    413,005.92/570,148.38 = 276,990.18/x
  3. Step 3: Cross multiply
    413,005.92x = 570,148.38 × 276,990.18
  4. Step 4: Simplify right side
    413,005.92x = 157,925,502,402.91
  5. Step 5: Solve for x
    x = 157,925,502,402.91/413,005.92
  6. Step 6: Final answer
    x = 382,380.72

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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.