Home / 743,964.50-1,026,678.30-404,440.04

Finding the Fourth Proportional to 743,964.50, 1,026,678.30 and 404,440.04

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Solution

The fourth proportional to 743,964.50, 1,026,678.30 and 404,440.04 is: 558,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,964.50 : 1,026,678.30 = 404,440.04 : x
  2. Step 2: Convert to fraction form
    743,964.50/1,026,678.30 = 404,440.04/x
  3. Step 3: Cross multiply
    743,964.50x = 1,026,678.30 × 404,440.04
  4. Step 4: Simplify right side
    743,964.50x = 415,229,812,719.13
  5. Step 5: Solve for x
    x = 415,229,812,719.13/743,964.50
  6. Step 6: Final answer
    x = 558,131.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.