Home / 476,784.04-657,670.12-283,060.26

Finding the Fourth Proportional to 476,784.04, 657,670.12 and 283,060.26

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Solution

The fourth proportional to 476,784.04, 657,670.12 and 283,060.26 is: 390,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,784.04 : 657,670.12 = 283,060.26 : x
  2. Step 2: Convert to fraction form
    476,784.04/657,670.12 = 283,060.26/x
  3. Step 3: Cross multiply
    476,784.04x = 657,670.12 × 283,060.26
  4. Step 4: Simplify right side
    476,784.04x = 186,160,275,161.43
  5. Step 5: Solve for x
    x = 186,160,275,161.43/476,784.04
  6. Step 6: Final answer
    x = 390,449.89

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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.