Home / 998,743.50-1,378,300.05-546,063.66

Finding the Fourth Proportional to 998,743.50, 1,378,300.05 and 546,063.66

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Solution

The fourth proportional to 998,743.50, 1,378,300.05 and 546,063.66 is: 753,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,743.50 : 1,378,300.05 = 546,063.66 : x
  2. Step 2: Convert to fraction form
    998,743.50/1,378,300.05 = 546,063.66/x
  3. Step 3: Cross multiply
    998,743.50x = 1,378,300.05 × 546,063.66
  4. Step 4: Simplify right side
    998,743.50x = 752,639,569,881.18
  5. Step 5: Solve for x
    x = 752,639,569,881.18/998,743.50
  6. Step 6: Final answer
    x = 753,586.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.