Home / 949,642.32-1,424,800.44-318,555.12

Finding the Fourth Proportional to 949,642.32, 1,424,800.44 and 318,555.12

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Solution

The fourth proportional to 949,642.32, 1,424,800.44 and 318,555.12 is: 477,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,642.32 : 1,424,800.44 = 318,555.12 : x
  2. Step 2: Convert to fraction form
    949,642.32/1,424,800.44 = 318,555.12/x
  3. Step 3: Cross multiply
    949,642.32x = 1,424,800.44 × 318,555.12
  4. Step 4: Simplify right side
    949,642.32x = 453,877,475,140.25
  5. Step 5: Solve for x
    x = 453,877,475,140.25/949,642.32
  6. Step 6: Final answer
    x = 477,945.71

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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.