Home / 510,242.08-704,133.86-280,799.36

Finding the Fourth Proportional to 510,242.08, 704,133.86 and 280,799.36

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Solution

The fourth proportional to 510,242.08, 704,133.86 and 280,799.36 is: 387,503.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,242.08 : 704,133.86 = 280,799.36 : x
  2. Step 2: Convert to fraction form
    510,242.08/704,133.86 = 280,799.36/x
  3. Step 3: Cross multiply
    510,242.08x = 704,133.86 × 280,799.36
  4. Step 4: Simplify right side
    510,242.08x = 197,720,338,034.08
  5. Step 5: Solve for x
    x = 197,720,338,034.08/510,242.08
  6. Step 6: Final answer
    x = 387,503.01

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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.