Home / 909,070.75-1,363,802.96-348,105.25

Finding the Fourth Proportional to 909,070.75, 1,363,802.96 and 348,105.25

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Solution

The fourth proportional to 909,070.75, 1,363,802.96 and 348,105.25 is: 522,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,070.75 : 1,363,802.96 = 348,105.25 : x
  2. Step 2: Convert to fraction form
    909,070.75/1,363,802.96 = 348,105.25/x
  3. Step 3: Cross multiply
    909,070.75x = 1,363,802.96 × 348,105.25
  4. Step 4: Simplify right side
    909,070.75x = 474,746,970,341.54
  5. Step 5: Solve for x
    x = 474,746,970,341.54/909,070.75
  6. Step 6: Final answer
    x = 522,233.25

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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.