Home / 908,983.39-1,254,401.01-501,076.45

Finding the Fourth Proportional to 908,983.39, 1,254,401.01 and 501,076.45

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Solution

The fourth proportional to 908,983.39, 1,254,401.01 and 501,076.45 is: 691,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,983.39 : 1,254,401.01 = 501,076.45 : x
  2. Step 2: Convert to fraction form
    908,983.39/1,254,401.01 = 501,076.45/x
  3. Step 3: Cross multiply
    908,983.39x = 1,254,401.01 × 501,076.45
  4. Step 4: Simplify right side
    908,983.39x = 628,550,804,967.22
  5. Step 5: Solve for x
    x = 628,550,804,967.22/908,983.39
  6. Step 6: Final answer
    x = 691,487.67

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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.