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Finding the Fourth Proportional to 607,629.99, 910,852.59 and 242,782.86

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Solution

The fourth proportional to 607,629.99, 910,852.59 and 242,782.86 is: 363,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,629.99 : 910,852.59 = 242,782.86 : x
  2. Step 2: Convert to fraction form
    607,629.99/910,852.59 = 242,782.86/x
  3. Step 3: Cross multiply
    607,629.99x = 910,852.59 × 242,782.86
  4. Step 4: Simplify right side
    607,629.99x = 221,139,396,838.61
  5. Step 5: Solve for x
    x = 221,139,396,838.61/607,629.99
  6. Step 6: Final answer
    x = 363,937.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.