Home / 638,444.08-957,948.22-334,765.71

Finding the Fourth Proportional to 638,444.08, 957,948.22 and 334,765.71

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Solution

The fourth proportional to 638,444.08, 957,948.22 and 334,765.71 is: 502,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,444.08 : 957,948.22 = 334,765.71 : x
  2. Step 2: Convert to fraction form
    638,444.08/957,948.22 = 334,765.71/x
  3. Step 3: Cross multiply
    638,444.08x = 957,948.22 × 334,765.71
  4. Step 4: Simplify right side
    638,444.08x = 320,688,216,429.99
  5. Step 5: Solve for x
    x = 320,688,216,429.99/638,444.08
  6. Step 6: Final answer
    x = 502,296.49

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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.