Home / 719,113.01-1,078,389.11-269,588.86

Finding the Fourth Proportional to 719,113.01, 1,078,389.11 and 269,588.86

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Solution

The fourth proportional to 719,113.01, 1,078,389.11 and 269,588.86 is: 404,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,113.01 : 1,078,389.11 = 269,588.86 : x
  2. Step 2: Convert to fraction form
    719,113.01/1,078,389.11 = 269,588.86/x
  3. Step 3: Cross multiply
    719,113.01x = 1,078,389.11 × 269,588.86
  4. Step 4: Simplify right side
    719,113.01x = 290,721,688,779.31
  5. Step 5: Solve for x
    x = 290,721,688,779.31/719,113.01
  6. Step 6: Final answer
    x = 404,278.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.