Home / 851,264.79-1,276,619.37-282,493.11

Finding the Fourth Proportional to 851,264.79, 1,276,619.37 and 282,493.11

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Solution

The fourth proportional to 851,264.79, 1,276,619.37 and 282,493.11 is: 423,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,264.79 : 1,276,619.37 = 282,493.11 : x
  2. Step 2: Convert to fraction form
    851,264.79/1,276,619.37 = 282,493.11/x
  3. Step 3: Cross multiply
    851,264.79x = 1,276,619.37 × 282,493.11
  4. Step 4: Simplify right side
    851,264.79x = 360,636,176,117.54
  5. Step 5: Solve for x
    x = 360,636,176,117.54/851,264.79
  6. Step 6: Final answer
    x = 423,647.47

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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.