Home / 877,873.42-1,211,425.41-551,355.10

Finding the Fourth Proportional to 877,873.42, 1,211,425.41 and 551,355.10

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Solution

The fourth proportional to 877,873.42, 1,211,425.41 and 551,355.10 is: 760,844.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,873.42 : 1,211,425.41 = 551,355.10 : x
  2. Step 2: Convert to fraction form
    877,873.42/1,211,425.41 = 551,355.10/x
  3. Step 3: Cross multiply
    877,873.42x = 1,211,425.41 × 551,355.10
  4. Step 4: Simplify right side
    877,873.42x = 667,925,578,073.09
  5. Step 5: Solve for x
    x = 667,925,578,073.09/877,873.42
  6. Step 6: Final answer
    x = 760,844.97

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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.