Home / 909,229.93-1,363,795.46-278,143.74

Finding the Fourth Proportional to 909,229.93, 1,363,795.46 and 278,143.74

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Solution

The fourth proportional to 909,229.93, 1,363,795.46 and 278,143.74 is: 417,200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,229.93 : 1,363,795.46 = 278,143.74 : x
  2. Step 2: Convert to fraction form
    909,229.93/1,363,795.46 = 278,143.74/x
  3. Step 3: Cross multiply
    909,229.93x = 1,363,795.46 × 278,143.74
  4. Step 4: Simplify right side
    909,229.93x = 379,331,172,048.86
  5. Step 5: Solve for x
    x = 379,331,172,048.86/909,229.93
  6. Step 6: Final answer
    x = 417,200.49

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1.5x scale

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.