Home / 851,970.95-1,175,700.97-469,997.63

Finding the Fourth Proportional to 851,970.95, 1,175,700.97 and 469,997.63

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Solution

The fourth proportional to 851,970.95, 1,175,700.97 and 469,997.63 is: 648,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,970.95 : 1,175,700.97 = 469,997.63 : x
  2. Step 2: Convert to fraction form
    851,970.95/1,175,700.97 = 469,997.63/x
  3. Step 3: Cross multiply
    851,970.95x = 1,175,700.97 × 469,997.63
  4. Step 4: Simplify right side
    851,970.95x = 552,576,669,488.70
  5. Step 5: Solve for x
    x = 552,576,669,488.70/851,970.95
  6. Step 6: Final answer
    x = 648,586.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.