Home / 579,742.16-800,158.92-376,045.52

Finding the Fourth Proportional to 579,742.16, 800,158.92 and 376,045.52

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Solution

The fourth proportional to 579,742.16, 800,158.92 and 376,045.52 is: 519,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,742.16 : 800,158.92 = 376,045.52 : x
  2. Step 2: Convert to fraction form
    579,742.16/800,158.92 = 376,045.52/x
  3. Step 3: Cross multiply
    579,742.16x = 800,158.92 × 376,045.52
  4. Step 4: Simplify right side
    579,742.16x = 300,896,177,154.04
  5. Step 5: Solve for x
    x = 300,896,177,154.04/579,742.16
  6. Step 6: Final answer
    x = 519,017.24

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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.