Home / 743,577.49-1,026,143.09-404,045.74

Finding the Fourth Proportional to 743,577.49, 1,026,143.09 and 404,045.74

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Solution

The fourth proportional to 743,577.49, 1,026,143.09 and 404,045.74 is: 557,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,577.49 : 1,026,143.09 = 404,045.74 : x
  2. Step 2: Convert to fraction form
    743,577.49/1,026,143.09 = 404,045.74/x
  3. Step 3: Cross multiply
    743,577.49x = 1,026,143.09 × 404,045.74
  4. Step 4: Simplify right side
    743,577.49x = 414,608,744,144.94
  5. Step 5: Solve for x
    x = 414,608,744,144.94/743,577.49
  6. Step 6: Final answer
    x = 557,586.47

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Double scale
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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.