Home / 740,022.10-1,109,352.74-266,591.68

Finding the Fourth Proportional to 740,022.10, 1,109,352.74 and 266,591.68

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Solution

The fourth proportional to 740,022.10, 1,109,352.74 and 266,591.68 is: 399,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,022.10 : 1,109,352.74 = 266,591.68 : x
  2. Step 2: Convert to fraction form
    740,022.10/1,109,352.74 = 266,591.68/x
  3. Step 3: Cross multiply
    740,022.10x = 1,109,352.74 × 266,591.68
  4. Step 4: Simplify right side
    740,022.10x = 295,744,210,669.20
  5. Step 5: Solve for x
    x = 295,744,210,669.20/740,022.10
  6. Step 6: Final answer
    x = 399,642.40

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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.