Home / 476,089.20-657,023.62-285,066.08

Finding the Fourth Proportional to 476,089.20, 657,023.62 and 285,066.08

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Solution

The fourth proportional to 476,089.20, 657,023.62 and 285,066.08 is: 393,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,089.20 : 657,023.62 = 285,066.08 : x
  2. Step 2: Convert to fraction form
    476,089.20/657,023.62 = 285,066.08/x
  3. Step 3: Cross multiply
    476,089.20x = 657,023.62 × 285,066.08
  4. Step 4: Simplify right side
    476,089.20x = 187,295,147,820.81
  5. Step 5: Solve for x
    x = 187,295,147,820.81/476,089.20
  6. Step 6: Final answer
    x = 393,403.48

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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.