Home / 859,775.32-1,186,399.74-477,740.44

Finding the Fourth Proportional to 859,775.32, 1,186,399.74 and 477,740.44

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Solution

The fourth proportional to 859,775.32, 1,186,399.74 and 477,740.44 is: 659,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,775.32 : 1,186,399.74 = 477,740.44 : x
  2. Step 2: Convert to fraction form
    859,775.32/1,186,399.74 = 477,740.44/x
  3. Step 3: Cross multiply
    859,775.32x = 1,186,399.74 × 477,740.44
  4. Step 4: Simplify right side
    859,775.32x = 566,791,133,803.49
  5. Step 5: Solve for x
    x = 566,791,133,803.49/859,775.32
  6. Step 6: Final answer
    x = 659,231.69

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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.