Home / 851,056.80-1,276,498.80-290,083.20

Finding the Fourth Proportional to 851,056.80, 1,276,498.80 and 290,083.20

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Solution

The fourth proportional to 851,056.80, 1,276,498.80 and 290,083.20 is: 435,095.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,056.80 : 1,276,498.80 = 290,083.20 : x
  2. Step 2: Convert to fraction form
    851,056.80/1,276,498.80 = 290,083.20/x
  3. Step 3: Cross multiply
    851,056.80x = 1,276,498.80 × 290,083.20
  4. Step 4: Simplify right side
    851,056.80x = 370,290,856,700.16
  5. Step 5: Solve for x
    x = 370,290,856,700.16/851,056.80
  6. Step 6: Final answer
    x = 435,095.35

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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.