Home / 812,056.98-1,120,380.98-472,459.62

Finding the Fourth Proportional to 812,056.98, 1,120,380.98 and 472,459.62

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Solution

The fourth proportional to 812,056.98, 1,120,380.98 and 472,459.62 is: 651,844.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,056.98 : 1,120,380.98 = 472,459.62 : x
  2. Step 2: Convert to fraction form
    812,056.98/1,120,380.98 = 472,459.62/x
  3. Step 3: Cross multiply
    812,056.98x = 1,120,380.98 × 472,459.62
  4. Step 4: Simplify right side
    812,056.98x = 529,334,772,066.03
  5. Step 5: Solve for x
    x = 529,334,772,066.03/812,056.98
  6. Step 6: Final answer
    x = 651,844.37

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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.