Home / 957,877.38-1,436,927.28-318,238.20

Finding the Fourth Proportional to 957,877.38, 1,436,927.28 and 318,238.20

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Solution

The fourth proportional to 957,877.38, 1,436,927.28 and 318,238.20 is: 477,394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,877.38 : 1,436,927.28 = 318,238.20 : x
  2. Step 2: Convert to fraction form
    957,877.38/1,436,927.28 = 318,238.20/x
  3. Step 3: Cross multiply
    957,877.38x = 1,436,927.28 × 318,238.20
  4. Step 4: Simplify right side
    957,877.38x = 457,285,151,118.10
  5. Step 5: Solve for x
    x = 457,285,151,118.10/957,877.38
  6. Step 6: Final answer
    x = 477,394.25

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1.5x scale

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.