Home / 743,643-1,026,541.29-502,252.54

Finding the Fourth Proportional to 743,643, 1,026,541.29 and 502,252.54

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Solution

The fourth proportional to 743,643, 1,026,541.29 and 502,252.54 is: 693,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,643 : 1,026,541.29 = 502,252.54 : x
  2. Step 2: Convert to fraction form
    743,643/1,026,541.29 = 502,252.54/x
  3. Step 3: Cross multiply
    743,643x = 1,026,541.29 × 502,252.54
  4. Step 4: Simplify right side
    743,643x = 515,582,970,317.38
  5. Step 5: Solve for x
    x = 515,582,970,317.38/743,643
  6. Step 6: Final answer
    x = 693,320.55

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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.