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Finding the Fourth Proportional to 664,160.73, 994,956.63 and 556,263.66

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Solution

The fourth proportional to 664,160.73, 994,956.63 and 556,263.66 is: 833,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,160.73 : 994,956.63 = 556,263.66 : x
  2. Step 2: Convert to fraction form
    664,160.73/994,956.63 = 556,263.66/x
  3. Step 3: Cross multiply
    664,160.73x = 994,956.63 × 556,263.66
  4. Step 4: Simplify right side
    664,160.73x = 553,458,216,545.07
  5. Step 5: Solve for x
    x = 553,458,216,545.07/664,160.73
  6. Step 6: Final answer
    x = 833,319.69

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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.