Home / 851,274.61-1,276,916.52-252,240.95

Finding the Fourth Proportional to 851,274.61, 1,276,916.52 and 252,240.95

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Solution

The fourth proportional to 851,274.61, 1,276,916.52 and 252,240.95 is: 378,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,274.61 : 1,276,916.52 = 252,240.95 : x
  2. Step 2: Convert to fraction form
    851,274.61/1,276,916.52 = 252,240.95/x
  3. Step 3: Cross multiply
    851,274.61x = 1,276,916.52 × 252,240.95
  4. Step 4: Simplify right side
    851,274.61x = 322,090,636,075.49
  5. Step 5: Solve for x
    x = 322,090,636,075.49/851,274.61
  6. Step 6: Final answer
    x = 378,362.79

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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.