Home / 847,316.98-1,270,974.38-216,230.78

Finding the Fourth Proportional to 847,316.98, 1,270,974.38 and 216,230.78

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Solution

The fourth proportional to 847,316.98, 1,270,974.38 and 216,230.78 is: 324,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,316.98 : 1,270,974.38 = 216,230.78 : x
  2. Step 2: Convert to fraction form
    847,316.98/1,270,974.38 = 216,230.78/x
  3. Step 3: Cross multiply
    847,316.98x = 1,270,974.38 × 216,230.78
  4. Step 4: Simplify right side
    847,316.98x = 274,823,781,547.42
  5. Step 5: Solve for x
    x = 274,823,781,547.42/847,316.98
  6. Step 6: Final answer
    x = 324,345.89

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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.