Home / 851,077.80-1,276,616.70-496,492.20

Finding the Fourth Proportional to 851,077.80, 1,276,616.70 and 496,492.20

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Solution

The fourth proportional to 851,077.80, 1,276,616.70 and 496,492.20 is: 744,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,077.80 : 1,276,616.70 = 496,492.20 : x
  2. Step 2: Convert to fraction form
    851,077.80/1,276,616.70 = 496,492.20/x
  3. Step 3: Cross multiply
    851,077.80x = 1,276,616.70 × 496,492.20
  4. Step 4: Simplify right side
    851,077.80x = 633,830,233,939.74
  5. Step 5: Solve for x
    x = 633,830,233,939.74/851,077.80
  6. Step 6: Final answer
    x = 744,738.30

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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.