Home / 851,264.30-1,276,618.62-282,492.60

Finding the Fourth Proportional to 851,264.30, 1,276,618.62 and 282,492.60

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Solution

The fourth proportional to 851,264.30, 1,276,618.62 and 282,492.60 is: 423,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,264.30 : 1,276,618.62 = 282,492.60 : x
  2. Step 2: Convert to fraction form
    851,264.30/1,276,618.62 = 282,492.60/x
  3. Step 3: Cross multiply
    851,264.30x = 1,276,618.62 × 282,492.60
  4. Step 4: Simplify right side
    851,264.30x = 360,635,313,172.21
  5. Step 5: Solve for x
    x = 360,635,313,172.21/851,264.30
  6. Step 6: Final answer
    x = 423,646.70

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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.