Home / 908,983.89-1,254,401.70-501,076.95

Finding the Fourth Proportional to 908,983.89, 1,254,401.70 and 501,076.95

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Solution

The fourth proportional to 908,983.89, 1,254,401.70 and 501,076.95 is: 691,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,983.89 : 1,254,401.70 = 501,076.95 : x
  2. Step 2: Convert to fraction form
    908,983.89/1,254,401.70 = 501,076.95/x
  3. Step 3: Cross multiply
    908,983.89x = 1,254,401.70 × 501,076.95
  4. Step 4: Simplify right side
    908,983.89x = 628,551,777,910.82
  5. Step 5: Solve for x
    x = 628,551,777,910.82/908,983.89
  6. Step 6: Final answer
    x = 691,488.36

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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.