Home / 743,899.52-1,026,580.56-404,370.20

Finding the Fourth Proportional to 743,899.52, 1,026,580.56 and 404,370.20

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Solution

The fourth proportional to 743,899.52, 1,026,580.56 and 404,370.20 is: 558,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,899.52 : 1,026,580.56 = 404,370.20 : x
  2. Step 2: Convert to fraction form
    743,899.52/1,026,580.56 = 404,370.20/x
  3. Step 3: Cross multiply
    743,899.52x = 1,026,580.56 × 404,370.20
  4. Step 4: Simplify right side
    743,899.52x = 415,118,586,363.31
  5. Step 5: Solve for x
    x = 415,118,586,363.31/743,899.52
  6. Step 6: Final answer
    x = 558,030.45

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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.