Home / 743,541.65-1,115,310.23-211,063.13

Finding the Fourth Proportional to 743,541.65, 1,115,310.23 and 211,063.13

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Solution

The fourth proportional to 743,541.65, 1,115,310.23 and 211,063.13 is: 316,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,541.65 : 1,115,310.23 = 211,063.13 : x
  2. Step 2: Convert to fraction form
    743,541.65/1,115,310.23 = 211,063.13/x
  3. Step 3: Cross multiply
    743,541.65x = 1,115,310.23 × 211,063.13
  4. Step 4: Simplify right side
    743,541.65x = 235,400,868,064.82
  5. Step 5: Solve for x
    x = 235,400,868,064.82/743,541.65
  6. Step 6: Final answer
    x = 316,594.06

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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.