Home / 638,276.76-957,439.44-238,875.48

Finding the Fourth Proportional to 638,276.76, 957,439.44 and 238,875.48

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Solution

The fourth proportional to 638,276.76, 957,439.44 and 238,875.48 is: 358,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,276.76 : 957,439.44 = 238,875.48 : x
  2. Step 2: Convert to fraction form
    638,276.76/957,439.44 = 238,875.48/x
  3. Step 3: Cross multiply
    638,276.76x = 957,439.44 × 238,875.48
  4. Step 4: Simplify right side
    638,276.76x = 228,708,805,800.93
  5. Step 5: Solve for x
    x = 228,708,805,800.93/638,276.76
  6. Step 6: Final answer
    x = 358,322.31

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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.