Home / 930,875.22-1,396,285.02-256,997.70

Finding the Fourth Proportional to 930,875.22, 1,396,285.02 and 256,997.70

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Solution

The fourth proportional to 930,875.22, 1,396,285.02 and 256,997.70 is: 385,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,875.22 : 1,396,285.02 = 256,997.70 : x
  2. Step 2: Convert to fraction form
    930,875.22/1,396,285.02 = 256,997.70/x
  3. Step 3: Cross multiply
    930,875.22x = 1,396,285.02 × 256,997.70
  4. Step 4: Simplify right side
    930,875.22x = 358,842,038,684.45
  5. Step 5: Solve for x
    x = 358,842,038,684.45/930,875.22
  6. Step 6: Final answer
    x = 385,488.87

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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.