Home / 852,700.15-1,176,747.60-485,157.07

Finding the Fourth Proportional to 852,700.15, 1,176,747.60 and 485,157.07

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Solution

The fourth proportional to 852,700.15, 1,176,747.60 and 485,157.07 is: 669,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,700.15 : 1,176,747.60 = 485,157.07 : x
  2. Step 2: Convert to fraction form
    852,700.15/1,176,747.60 = 485,157.07/x
  3. Step 3: Cross multiply
    852,700.15x = 1,176,747.60 × 485,157.07
  4. Step 4: Simplify right side
    852,700.15x = 570,907,417,745.53
  5. Step 5: Solve for x
    x = 570,907,417,745.53/852,700.15
  6. Step 6: Final answer
    x = 669,528.93

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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.