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Finding the Fourth Proportional to 609,069.54, 913,001.66 and 288,658.26

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Solution

The fourth proportional to 609,069.54, 913,001.66 and 288,658.26 is: 432,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,069.54 : 913,001.66 = 288,658.26 : x
  2. Step 2: Convert to fraction form
    609,069.54/913,001.66 = 288,658.26/x
  3. Step 3: Cross multiply
    609,069.54x = 913,001.66 × 288,658.26
  4. Step 4: Simplify right side
    609,069.54x = 263,545,470,552.71
  5. Step 5: Solve for x
    x = 263,545,470,552.71/609,069.54
  6. Step 6: Final answer
    x = 432,701.77

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1.5x scale

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.