Home / 477,725.07-716,588.15-122,742.03

Finding the Fourth Proportional to 477,725.07, 716,588.15 and 122,742.03

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Solution

The fourth proportional to 477,725.07, 716,588.15 and 122,742.03 is: 184,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,725.07 : 716,588.15 = 122,742.03 : x
  2. Step 2: Convert to fraction form
    477,725.07/716,588.15 = 122,742.03/x
  3. Step 3: Cross multiply
    477,725.07x = 716,588.15 × 122,742.03
  4. Step 4: Simplify right side
    477,725.07x = 87,955,484,204.94
  5. Step 5: Solve for x
    x = 87,955,484,204.94/477,725.07
  6. Step 6: Final answer
    x = 184,113.19

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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.