Home / 938,045.45-1,406,723.31-322,374.58

Finding the Fourth Proportional to 938,045.45, 1,406,723.31 and 322,374.58

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Solution

The fourth proportional to 938,045.45, 1,406,723.31 and 322,374.58 is: 483,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,045.45 : 1,406,723.31 = 322,374.58 : x
  2. Step 2: Convert to fraction form
    938,045.45/1,406,723.31 = 322,374.58/x
  3. Step 3: Cross multiply
    938,045.45x = 1,406,723.31 × 322,374.58
  4. Step 4: Simplify right side
    938,045.45x = 453,491,832,720.65
  5. Step 5: Solve for x
    x = 453,491,832,720.65/938,045.45
  6. Step 6: Final answer
    x = 483,443.35

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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.