Home / 901,381.83-1,243,907.31-493,510.11

Finding the Fourth Proportional to 901,381.83, 1,243,907.31 and 493,510.11

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Solution

The fourth proportional to 901,381.83, 1,243,907.31 and 493,510.11 is: 681,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,381.83 : 1,243,907.31 = 493,510.11 : x
  2. Step 2: Convert to fraction form
    901,381.83/1,243,907.31 = 493,510.11/x
  3. Step 3: Cross multiply
    901,381.83x = 1,243,907.31 × 493,510.11
  4. Step 4: Simplify right side
    901,381.83x = 613,880,833,387.90
  5. Step 5: Solve for x
    x = 613,880,833,387.90/901,381.83
  6. Step 6: Final answer
    x = 681,044.16

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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.