Home / 909,234.94-1,363,802.96-278,148.74

Finding the Fourth Proportional to 909,234.94, 1,363,802.96 and 278,148.74

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Solution

The fourth proportional to 909,234.94, 1,363,802.96 and 278,148.74 is: 417,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,234.94 : 1,363,802.96 = 278,148.74 : x
  2. Step 2: Convert to fraction form
    909,234.94/1,363,802.96 = 278,148.74/x
  3. Step 3: Cross multiply
    909,234.94x = 1,363,802.96 × 278,148.74
  4. Step 4: Simplify right side
    909,234.94x = 379,340,074,932.27
  5. Step 5: Solve for x
    x = 379,340,074,932.27/909,234.94
  6. Step 6: Final answer
    x = 417,207.98

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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.