Home / 879,269.41-1,318,215.11-347,188.71

Finding the Fourth Proportional to 879,269.41, 1,318,215.11 and 347,188.71

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Solution

The fourth proportional to 879,269.41, 1,318,215.11 and 347,188.71 is: 520,511.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,269.41 : 1,318,215.11 = 347,188.71 : x
  2. Step 2: Convert to fraction form
    879,269.41/1,318,215.11 = 347,188.71/x
  3. Step 3: Cross multiply
    879,269.41x = 1,318,215.11 × 347,188.71
  4. Step 4: Simplify right side
    879,269.41x = 457,669,401,807.47
  5. Step 5: Solve for x
    x = 457,669,401,807.47/879,269.41
  6. Step 6: Final answer
    x = 520,511.00

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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.