Home / 900,723.26-1,241,568.86-709,433.66

Finding the Fourth Proportional to 900,723.26, 1,241,568.86 and 709,433.66

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Solution

The fourth proportional to 900,723.26, 1,241,568.86 and 709,433.66 is: 977,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,723.26 : 1,241,568.86 = 709,433.66 : x
  2. Step 2: Convert to fraction form
    900,723.26/1,241,568.86 = 709,433.66/x
  3. Step 3: Cross multiply
    900,723.26x = 1,241,568.86 × 709,433.66
  4. Step 4: Simplify right side
    900,723.26x = 880,810,740,491.83
  5. Step 5: Solve for x
    x = 880,810,740,491.83/900,723.26
  6. Step 6: Final answer
    x = 977,892.74

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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.