Home / 863,178.18-1,295,565.78-437,013.42

Finding the Fourth Proportional to 863,178.18, 1,295,565.78 and 437,013.42

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Solution

The fourth proportional to 863,178.18, 1,295,565.78 and 437,013.42 is: 655,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,178.18 : 1,295,565.78 = 437,013.42 : x
  2. Step 2: Convert to fraction form
    863,178.18/1,295,565.78 = 437,013.42/x
  3. Step 3: Cross multiply
    863,178.18x = 1,295,565.78 × 437,013.42
  4. Step 4: Simplify right side
    863,178.18x = 566,179,632,352.77
  5. Step 5: Solve for x
    x = 566,179,632,352.77/863,178.18
  6. Step 6: Final answer
    x = 655,924.40

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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.