Home / 847,049.70-1,271,070.27-314,938.02

Finding the Fourth Proportional to 847,049.70, 1,271,070.27 and 314,938.02

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Solution

The fourth proportional to 847,049.70, 1,271,070.27 and 314,938.02 is: 472,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,049.70 : 1,271,070.27 = 314,938.02 : x
  2. Step 2: Convert to fraction form
    847,049.70/1,271,070.27 = 314,938.02/x
  3. Step 3: Cross multiply
    847,049.70x = 1,271,070.27 × 314,938.02
  4. Step 4: Simplify right side
    847,049.70x = 400,308,354,114.67
  5. Step 5: Solve for x
    x = 400,308,354,114.67/847,049.70
  6. Step 6: Final answer
    x = 472,591.34

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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.