Home / 882,574.93-1,217,914.87-490,083.55

Finding the Fourth Proportional to 882,574.93, 1,217,914.87 and 490,083.55

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Solution

The fourth proportional to 882,574.93, 1,217,914.87 and 490,083.55 is: 676,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,574.93 : 1,217,914.87 = 490,083.55 : x
  2. Step 2: Convert to fraction form
    882,574.93/1,217,914.87 = 490,083.55/x
  3. Step 3: Cross multiply
    882,574.93x = 1,217,914.87 × 490,083.55
  4. Step 4: Simplify right side
    882,574.93x = 596,880,043,087.39
  5. Step 5: Solve for x
    x = 596,880,043,087.39/882,574.93
  6. Step 6: Final answer
    x = 676,293.90

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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.