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Finding the Fourth Proportional to 607,029.60, 910,544.40 and 207,784.65

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Solution

The fourth proportional to 607,029.60, 910,544.40 and 207,784.65 is: 311,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,029.60 : 910,544.40 = 207,784.65 : x
  2. Step 2: Convert to fraction form
    607,029.60/910,544.40 = 207,784.65/x
  3. Step 3: Cross multiply
    607,029.60x = 910,544.40 × 207,784.65
  4. Step 4: Simplify right side
    607,029.60x = 189,197,149,463.46
  5. Step 5: Solve for x
    x = 189,197,149,463.46/607,029.60
  6. Step 6: Final answer
    x = 311,676.98

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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.