Home / 851,560.68-1,175,137.38-469,622.76

Finding the Fourth Proportional to 851,560.68, 1,175,137.38 and 469,622.76

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Solution

The fourth proportional to 851,560.68, 1,175,137.38 and 469,622.76 is: 648,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,560.68 : 1,175,137.38 = 469,622.76 : x
  2. Step 2: Convert to fraction form
    851,560.68/1,175,137.38 = 469,622.76/x
  3. Step 3: Cross multiply
    851,560.68x = 1,175,137.38 × 469,622.76
  4. Step 4: Simplify right side
    851,560.68x = 551,871,259,774.77
  5. Step 5: Solve for x
    x = 551,871,259,774.77/851,560.68
  6. Step 6: Final answer
    x = 648,070.39

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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.