Home / 743,580.65-1,026,147.81-404,048.90

Finding the Fourth Proportional to 743,580.65, 1,026,147.81 and 404,048.90

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Solution

The fourth proportional to 743,580.65, 1,026,147.81 and 404,048.90 is: 557,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,580.65 : 1,026,147.81 = 404,048.90 : x
  2. Step 2: Convert to fraction form
    743,580.65/1,026,147.81 = 404,048.90/x
  3. Step 3: Cross multiply
    743,580.65x = 1,026,147.81 × 404,048.90
  4. Step 4: Simplify right side
    743,580.65x = 414,613,893,867.91
  5. Step 5: Solve for x
    x = 414,613,893,867.91/743,580.65
  6. Step 6: Final answer
    x = 557,591.02

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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.