Home / 909,557.02-1,364,336.60-278,467.66

Finding the Fourth Proportional to 909,557.02, 1,364,336.60 and 278,467.66

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Solution

The fourth proportional to 909,557.02, 1,364,336.60 and 278,467.66 is: 417,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,557.02 : 1,364,336.60 = 278,467.66 : x
  2. Step 2: Convert to fraction form
    909,557.02/1,364,336.60 = 278,467.66/x
  3. Step 3: Cross multiply
    909,557.02x = 1,364,336.60 × 278,467.66
  4. Step 4: Simplify right side
    909,557.02x = 379,923,613,632.67
  5. Step 5: Solve for x
    x = 379,923,613,632.67/909,557.02
  6. Step 6: Final answer
    x = 417,701.81

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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.