Home / 957,985.28-1,437,089.09-318,346.10

Finding the Fourth Proportional to 957,985.28, 1,437,089.09 and 318,346.10

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Solution

The fourth proportional to 957,985.28, 1,437,089.09 and 318,346.10 is: 477,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,985.28 : 1,437,089.09 = 318,346.10 : x
  2. Step 2: Convert to fraction form
    957,985.28/1,437,089.09 = 318,346.10/x
  3. Step 3: Cross multiply
    957,985.28x = 1,437,089.09 × 318,346.10
  4. Step 4: Simplify right side
    957,985.28x = 457,491,705,556.65
  5. Step 5: Solve for x
    x = 457,491,705,556.65/957,985.28
  6. Step 6: Final answer
    x = 477,556.09

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Double scale
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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.