Home / 913,176.18-1,259,897.49-550,710.90

Finding the Fourth Proportional to 913,176.18, 1,259,897.49 and 550,710.90

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Solution

The fourth proportional to 913,176.18, 1,259,897.49 and 550,710.90 is: 759,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,176.18 : 1,259,897.49 = 550,710.90 : x
  2. Step 2: Convert to fraction form
    913,176.18/1,259,897.49 = 550,710.90/x
  3. Step 3: Cross multiply
    913,176.18x = 1,259,897.49 × 550,710.90
  4. Step 4: Simplify right side
    913,176.18x = 693,839,280,625.64
  5. Step 5: Solve for x
    x = 693,839,280,625.64/913,176.18
  6. Step 6: Final answer
    x = 759,808.78

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1.5x scale

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.