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Finding the Fourth Proportional to 652,697.55, 900,738.13 and 366,238.82

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Solution

The fourth proportional to 652,697.55, 900,738.13 and 366,238.82 is: 505,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,697.55 : 900,738.13 = 366,238.82 : x
  2. Step 2: Convert to fraction form
    652,697.55/900,738.13 = 366,238.82/x
  3. Step 3: Cross multiply
    652,697.55x = 900,738.13 × 366,238.82
  4. Step 4: Simplify right side
    652,697.55x = 329,885,270,775.80
  5. Step 5: Solve for x
    x = 329,885,270,775.80/652,697.55
  6. Step 6: Final answer
    x = 505,418.28

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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.