Home / 917,393.84-1,375,983.78-243,527.49

Finding the Fourth Proportional to 917,393.84, 1,375,983.78 and 243,527.49

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Solution

The fourth proportional to 917,393.84, 1,375,983.78 and 243,527.49 is: 365,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,393.84 : 1,375,983.78 = 243,527.49 : x
  2. Step 2: Convert to fraction form
    917,393.84/1,375,983.78 = 243,527.49/x
  3. Step 3: Cross multiply
    917,393.84x = 1,375,983.78 × 243,527.49
  4. Step 4: Simplify right side
    917,393.84x = 335,089,876,224.11
  5. Step 5: Solve for x
    x = 335,089,876,224.11/917,393.84
  6. Step 6: Final answer
    x = 365,262.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.