Home / 848,415.74-1,171,066.12-486,080.87

Finding the Fourth Proportional to 848,415.74, 1,171,066.12 and 486,080.87

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Solution

The fourth proportional to 848,415.74, 1,171,066.12 and 486,080.87 is: 670,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,415.74 : 1,171,066.12 = 486,080.87 : x
  2. Step 2: Convert to fraction form
    848,415.74/1,171,066.12 = 486,080.87/x
  3. Step 3: Cross multiply
    848,415.74x = 1,171,066.12 × 486,080.87
  4. Step 4: Simplify right side
    848,415.74x = 569,232,831,366.59
  5. Step 5: Solve for x
    x = 569,232,831,366.59/848,415.74
  6. Step 6: Final answer
    x = 670,936.20

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Double scale
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Similar ratio
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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.