Home / 847,937.95-1,170,219.45-485,475.49

Finding the Fourth Proportional to 847,937.95, 1,170,219.45 and 485,475.49

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Solution

The fourth proportional to 847,937.95, 1,170,219.45 and 485,475.49 is: 669,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,937.95 : 1,170,219.45 = 485,475.49 : x
  2. Step 2: Convert to fraction form
    847,937.95/1,170,219.45 = 485,475.49/x
  3. Step 3: Cross multiply
    847,937.95x = 1,170,219.45 × 485,475.49
  4. Step 4: Simplify right side
    847,937.95x = 568,112,860,896.28
  5. Step 5: Solve for x
    x = 568,112,860,896.28/847,937.95
  6. Step 6: Final answer
    x = 669,993.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.