Home / 909,558.02-1,364,338.10-278,468.66

Finding the Fourth Proportional to 909,558.02, 1,364,338.10 and 278,468.66

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Solution

The fourth proportional to 909,558.02, 1,364,338.10 and 278,468.66 is: 417,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,558.02 : 1,364,338.10 = 278,468.66 : x
  2. Step 2: Convert to fraction form
    909,558.02/1,364,338.10 = 278,468.66/x
  3. Step 3: Cross multiply
    909,558.02x = 1,364,338.10 × 278,468.66
  4. Step 4: Simplify right side
    909,558.02x = 379,925,402,493.95
  5. Step 5: Solve for x
    x = 379,925,402,493.95/909,558.02
  6. Step 6: Final answer
    x = 417,703.32

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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.