Home / 879,270.23-1,318,216.29-347,189.52

Finding the Fourth Proportional to 879,270.23, 1,318,216.29 and 347,189.52

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Solution

The fourth proportional to 879,270.23, 1,318,216.29 and 347,189.52 is: 520,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,270.23 : 1,318,216.29 = 347,189.52 : x
  2. Step 2: Convert to fraction form
    879,270.23/1,318,216.29 = 347,189.52/x
  3. Step 3: Cross multiply
    879,270.23x = 1,318,216.29 × 347,189.52
  4. Step 4: Simplify right side
    879,270.23x = 457,670,880,981.28
  5. Step 5: Solve for x
    x = 457,670,880,981.28/879,270.23
  6. Step 6: Final answer
    x = 520,512.20

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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.