Home / 659,941.56-910,719.36-358,135.56

Finding the Fourth Proportional to 659,941.56, 910,719.36 and 358,135.56

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Solution

The fourth proportional to 659,941.56, 910,719.36 and 358,135.56 is: 494,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,941.56 : 910,719.36 = 358,135.56 : x
  2. Step 2: Convert to fraction form
    659,941.56/910,719.36 = 358,135.56/x
  3. Step 3: Cross multiply
    659,941.56x = 910,719.36 × 358,135.56
  4. Step 4: Simplify right side
    659,941.56x = 326,160,987,996.44
  5. Step 5: Solve for x
    x = 326,160,987,996.44/659,941.56
  6. Step 6: Final answer
    x = 494,227.08

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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.