Home / 913,920.56-1,261,122.80-506,007.46

Finding the Fourth Proportional to 913,920.56, 1,261,122.80 and 506,007.46

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Solution

The fourth proportional to 913,920.56, 1,261,122.80 and 506,007.46 is: 698,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,920.56 : 1,261,122.80 = 506,007.46 : x
  2. Step 2: Convert to fraction form
    913,920.56/1,261,122.80 = 506,007.46/x
  3. Step 3: Cross multiply
    913,920.56x = 1,261,122.80 × 506,007.46
  4. Step 4: Simplify right side
    913,920.56x = 638,137,544,776.09
  5. Step 5: Solve for x
    x = 638,137,544,776.09/913,920.56
  6. Step 6: Final answer
    x = 698,241.81

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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.