Home / 879,275.19-1,318,223.76-347,194.50

Finding the Fourth Proportional to 879,275.19, 1,318,223.76 and 347,194.50

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Solution

The fourth proportional to 879,275.19, 1,318,223.76 and 347,194.50 is: 520,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,275.19 : 1,318,223.76 = 347,194.50 : x
  2. Step 2: Convert to fraction form
    879,275.19/1,318,223.76 = 347,194.50/x
  3. Step 3: Cross multiply
    879,275.19x = 1,318,223.76 × 347,194.50
  4. Step 4: Simplify right side
    879,275.19x = 457,680,039,241.32
  5. Step 5: Solve for x
    x = 457,680,039,241.32/879,275.19
  6. Step 6: Final answer
    x = 520,519.68

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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.