Home / 683,980.92-1,026,081.68-210,666.12

Finding the Fourth Proportional to 683,980.92, 1,026,081.68 and 210,666.12

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Solution

The fourth proportional to 683,980.92, 1,026,081.68 and 210,666.12 is: 316,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,980.92 : 1,026,081.68 = 210,666.12 : x
  2. Step 2: Convert to fraction form
    683,980.92/1,026,081.68 = 210,666.12/x
  3. Step 3: Cross multiply
    683,980.92x = 1,026,081.68 × 210,666.12
  4. Step 4: Simplify right side
    683,980.92x = 216,160,646,328.68
  5. Step 5: Solve for x
    x = 216,160,646,328.68/683,980.92
  6. Step 6: Final answer
    x = 316,033.15

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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.