Home / 917,395.35-1,375,986.02-243,529.01

Finding the Fourth Proportional to 917,395.35, 1,375,986.02 and 243,529.01

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Solution

The fourth proportional to 917,395.35, 1,375,986.02 and 243,529.01 is: 365,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,395.35 : 1,375,986.02 = 243,529.01 : x
  2. Step 2: Convert to fraction form
    917,395.35/1,375,986.02 = 243,529.01/x
  3. Step 3: Cross multiply
    917,395.35x = 1,375,986.02 × 243,529.01
  4. Step 4: Simplify right side
    917,395.35x = 335,092,505,126.87
  5. Step 5: Solve for x
    x = 335,092,505,126.87/917,395.35
  6. Step 6: Final answer
    x = 365,265.10

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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.