Home / 743,554.73-1,026,101.96-421,264.14

Finding the Fourth Proportional to 743,554.73, 1,026,101.96 and 421,264.14

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Solution

The fourth proportional to 743,554.73, 1,026,101.96 and 421,264.14 is: 581,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,554.73 : 1,026,101.96 = 421,264.14 : x
  2. Step 2: Convert to fraction form
    743,554.73/1,026,101.96 = 421,264.14/x
  3. Step 3: Cross multiply
    743,554.73x = 1,026,101.96 × 421,264.14
  4. Step 4: Simplify right side
    743,554.73x = 432,259,955,357.25
  5. Step 5: Solve for x
    x = 432,259,955,357.25/743,554.73
  6. Step 6: Final answer
    x = 581,342.48

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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.