Home / 743,876.91-1,026,662.31-453,656.82

Finding the Fourth Proportional to 743,876.91, 1,026,662.31 and 453,656.82

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Solution

The fourth proportional to 743,876.91, 1,026,662.31 and 453,656.82 is: 626,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,876.91 : 1,026,662.31 = 453,656.82 : x
  2. Step 2: Convert to fraction form
    743,876.91/1,026,662.31 = 453,656.82/x
  3. Step 3: Cross multiply
    743,876.91x = 1,026,662.31 × 453,656.82
  4. Step 4: Simplify right side
    743,876.91x = 465,752,358,768.45
  5. Step 5: Solve for x
    x = 465,752,358,768.45/743,876.91
  6. Step 6: Final answer
    x = 626,114.82

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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.