Home / 472,786.15-652,431.94-257,926.16

Finding the Fourth Proportional to 472,786.15, 652,431.94 and 257,926.16

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Solution

The fourth proportional to 472,786.15, 652,431.94 and 257,926.16 is: 355,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,786.15 : 652,431.94 = 257,926.16 : x
  2. Step 2: Convert to fraction form
    472,786.15/652,431.94 = 257,926.16/x
  3. Step 3: Cross multiply
    472,786.15x = 652,431.94 × 257,926.16
  4. Step 4: Simplify right side
    472,786.15x = 168,279,264,945.55
  5. Step 5: Solve for x
    x = 168,279,264,945.55/472,786.15
  6. Step 6: Final answer
    x = 355,931.04

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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.