Home / 743,832.28-1,026,466.98-421,572.16

Finding the Fourth Proportional to 743,832.28, 1,026,466.98 and 421,572.16

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Solution

The fourth proportional to 743,832.28, 1,026,466.98 and 421,572.16 is: 581,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,832.28 : 1,026,466.98 = 421,572.16 : x
  2. Step 2: Convert to fraction form
    743,832.28/1,026,466.98 = 421,572.16/x
  3. Step 3: Cross multiply
    743,832.28x = 1,026,466.98 × 421,572.16
  4. Step 4: Simplify right side
    743,832.28x = 432,729,901,927.28
  5. Step 5: Solve for x
    x = 432,729,901,927.28/743,832.28
  6. Step 6: Final answer
    x = 581,757.36

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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.