Home / 772,110.70-1,155,708.45-550,926.70

Finding the Fourth Proportional to 772,110.70, 1,155,708.45 and 550,926.70

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Solution

The fourth proportional to 772,110.70, 1,155,708.45 and 550,926.70 is: 824,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,110.70 : 1,155,708.45 = 550,926.70 : x
  2. Step 2: Convert to fraction form
    772,110.70/1,155,708.45 = 550,926.70/x
  3. Step 3: Cross multiply
    772,110.70x = 1,155,708.45 × 550,926.70
  4. Step 4: Simplify right side
    772,110.70x = 636,710,642,520.62
  5. Step 5: Solve for x
    x = 636,710,642,520.62/772,110.70
  6. Step 6: Final answer
    x = 824,636.47

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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.