Home / 909,236.30-1,363,804.96-278,150.10

Finding the Fourth Proportional to 909,236.30, 1,363,804.96 and 278,150.10

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Solution

The fourth proportional to 909,236.30, 1,363,804.96 and 278,150.10 is: 417,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,236.30 : 1,363,804.96 = 278,150.10 : x
  2. Step 2: Convert to fraction form
    909,236.30/1,363,804.96 = 278,150.10/x
  3. Step 3: Cross multiply
    909,236.30x = 1,363,804.96 × 278,150.10
  4. Step 4: Simplify right side
    909,236.30x = 379,342,486,004.50
  5. Step 5: Solve for x
    x = 379,342,486,004.50/909,236.30
  6. Step 6: Final answer
    x = 417,210.01

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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.