Home / 847,046.70-1,271,065.77-314,935.02

Finding the Fourth Proportional to 847,046.70, 1,271,065.77 and 314,935.02

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Solution

The fourth proportional to 847,046.70, 1,271,065.77 and 314,935.02 is: 472,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,046.70 : 1,271,065.77 = 314,935.02 : x
  2. Step 2: Convert to fraction form
    847,046.70/1,271,065.77 = 314,935.02/x
  3. Step 3: Cross multiply
    847,046.70x = 1,271,065.77 × 314,935.02
  4. Step 4: Simplify right side
    847,046.70x = 400,303,123,696.27
  5. Step 5: Solve for x
    x = 400,303,123,696.27/847,046.70
  6. Step 6: Final answer
    x = 472,586.84

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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.