Home / 476,829.18-657,732.35-283,105.43

Finding the Fourth Proportional to 476,829.18, 657,732.35 and 283,105.43

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Solution

The fourth proportional to 476,829.18, 657,732.35 and 283,105.43 is: 390,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,829.18 : 657,732.35 = 283,105.43 : x
  2. Step 2: Convert to fraction form
    476,829.18/657,732.35 = 283,105.43/x
  3. Step 3: Cross multiply
    476,829.18x = 657,732.35 × 283,105.43
  4. Step 4: Simplify right side
    476,829.18x = 186,207,599,657.26
  5. Step 5: Solve for x
    x = 186,207,599,657.26/476,829.18
  6. Step 6: Final answer
    x = 390,512.17

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1.5x scale

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.