Home / 859,884.98-1,186,632.70-477,903.56

Finding the Fourth Proportional to 859,884.98, 1,186,632.70 and 477,903.56

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Solution

The fourth proportional to 859,884.98, 1,186,632.70 and 477,903.56 is: 659,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,884.98 : 1,186,632.70 = 477,903.56 : x
  2. Step 2: Convert to fraction form
    859,884.98/1,186,632.70 = 477,903.56/x
  3. Step 3: Cross multiply
    859,884.98x = 1,186,632.70 × 477,903.56
  4. Step 4: Simplify right side
    859,884.98x = 567,095,991,742.41
  5. Step 5: Solve for x
    x = 567,095,991,742.41/859,884.98
  6. Step 6: Final answer
    x = 659,502.15

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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.