Home / 770,671.27-1,062,823.80-661,741.57

Finding the Fourth Proportional to 770,671.27, 1,062,823.80 and 661,741.57

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Solution

The fourth proportional to 770,671.27, 1,062,823.80 and 661,741.57 is: 912,600.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,671.27 : 1,062,823.80 = 661,741.57 : x
  2. Step 2: Convert to fraction form
    770,671.27/1,062,823.80 = 661,741.57/x
  3. Step 3: Cross multiply
    770,671.27x = 1,062,823.80 × 661,741.57
  4. Step 4: Simplify right side
    770,671.27x = 703,314,690,045.37
  5. Step 5: Solve for x
    x = 703,314,690,045.37/770,671.27
  6. Step 6: Final answer
    x = 912,600.12

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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.