Home / 913,394.71-1,260,487.02-505,524.61

Finding the Fourth Proportional to 913,394.71, 1,260,487.02 and 505,524.61

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Solution

The fourth proportional to 913,394.71, 1,260,487.02 and 505,524.61 is: 697,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,394.71 : 1,260,487.02 = 505,524.61 : x
  2. Step 2: Convert to fraction form
    913,394.71/1,260,487.02 = 505,524.61/x
  3. Step 3: Cross multiply
    913,394.71x = 1,260,487.02 × 505,524.61
  4. Step 4: Simplify right side
    913,394.71x = 637,207,209,195.56
  5. Step 5: Solve for x
    x = 637,207,209,195.56/913,394.71
  6. Step 6: Final answer
    x = 697,625.25

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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.