Home / 477,731.07-716,597.15-122,748.03

Finding the Fourth Proportional to 477,731.07, 716,597.15 and 122,748.03

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Solution

The fourth proportional to 477,731.07, 716,597.15 and 122,748.03 is: 184,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,731.07 : 716,597.15 = 122,748.03 : x
  2. Step 2: Convert to fraction form
    477,731.07/716,597.15 = 122,748.03/x
  3. Step 3: Cross multiply
    477,731.07x = 716,597.15 × 122,748.03
  4. Step 4: Simplify right side
    477,731.07x = 87,960,887,852.37
  5. Step 5: Solve for x
    x = 87,960,887,852.37/477,731.07
  6. Step 6: Final answer
    x = 184,122.18

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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.