Home / 638,441.52-957,944.39-334,763.16

Finding the Fourth Proportional to 638,441.52, 957,944.39 and 334,763.16

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Solution

The fourth proportional to 638,441.52, 957,944.39 and 334,763.16 is: 502,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,441.52 : 957,944.39 = 334,763.16 : x
  2. Step 2: Convert to fraction form
    638,441.52/957,944.39 = 334,763.16/x
  3. Step 3: Cross multiply
    638,441.52x = 957,944.39 × 334,763.16
  4. Step 4: Simplify right side
    638,441.52x = 320,684,491,100.67
  5. Step 5: Solve for x
    x = 320,684,491,100.67/638,441.52
  6. Step 6: Final answer
    x = 502,292.66

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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.