Home / 818,843.38-1,130,003.93-474,878.86

Finding the Fourth Proportional to 818,843.38, 1,130,003.93 and 474,878.86

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Solution

The fourth proportional to 818,843.38, 1,130,003.93 and 474,878.86 is: 655,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,843.38 : 1,130,003.93 = 474,878.86 : x
  2. Step 2: Convert to fraction form
    818,843.38/1,130,003.93 = 474,878.86/x
  3. Step 3: Cross multiply
    818,843.38x = 1,130,003.93 × 474,878.86
  4. Step 4: Simplify right side
    818,843.38x = 536,614,978,232.36
  5. Step 5: Solve for x
    x = 536,614,978,232.36/818,843.38
  6. Step 6: Final answer
    x = 655,332.86

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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.