Home / 909,234.36-1,363,802.07-278,148.17

Finding the Fourth Proportional to 909,234.36, 1,363,802.07 and 278,148.17

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Solution

The fourth proportional to 909,234.36, 1,363,802.07 and 278,148.17 is: 417,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,234.36 : 1,363,802.07 = 278,148.17 : x
  2. Step 2: Convert to fraction form
    909,234.36/1,363,802.07 = 278,148.17/x
  3. Step 3: Cross multiply
    909,234.36x = 1,363,802.07 × 278,148.17
  4. Step 4: Simplify right side
    909,234.36x = 379,339,050,012.71
  5. Step 5: Solve for x
    x = 379,339,050,012.71/909,234.36
  6. Step 6: Final answer
    x = 417,207.12

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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.