Home / 865,765.32-1,298,939.58-545,545.32

Finding the Fourth Proportional to 865,765.32, 1,298,939.58 and 545,545.32

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Solution

The fourth proportional to 865,765.32, 1,298,939.58 and 545,545.32 is: 818,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,765.32 : 1,298,939.58 = 545,545.32 : x
  2. Step 2: Convert to fraction form
    865,765.32/1,298,939.58 = 545,545.32/x
  3. Step 3: Cross multiply
    865,765.32x = 1,298,939.58 × 545,545.32
  4. Step 4: Simplify right side
    865,765.32x = 708,630,408,831.77
  5. Step 5: Solve for x
    x = 708,630,408,831.77/865,765.32
  6. Step 6: Final answer
    x = 818,501.73

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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.