Home / 944,063.18-1,415,788.53-312,807.50

Finding the Fourth Proportional to 944,063.18, 1,415,788.53 and 312,807.50

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Solution

The fourth proportional to 944,063.18, 1,415,788.53 and 312,807.50 is: 469,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,063.18 : 1,415,788.53 = 312,807.50 : x
  2. Step 2: Convert to fraction form
    944,063.18/1,415,788.53 = 312,807.50/x
  3. Step 3: Cross multiply
    944,063.18x = 1,415,788.53 × 312,807.50
  4. Step 4: Simplify right side
    944,063.18x = 442,869,270,597.98
  5. Step 5: Solve for x
    x = 442,869,270,597.98/944,063.18
  6. Step 6: Final answer
    x = 469,109.78

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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.