Home / 892,973.61-1,232,316.69-485,083.11

Finding the Fourth Proportional to 892,973.61, 1,232,316.69 and 485,083.11

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Solution

The fourth proportional to 892,973.61, 1,232,316.69 and 485,083.11 is: 669,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,973.61 : 1,232,316.69 = 485,083.11 : x
  2. Step 2: Convert to fraction form
    892,973.61/1,232,316.69 = 485,083.11/x
  3. Step 3: Cross multiply
    892,973.61x = 1,232,316.69 × 485,083.11
  4. Step 4: Simplify right side
    892,973.61x = 597,776,012,490.11
  5. Step 5: Solve for x
    x = 597,776,012,490.11/892,973.61
  6. Step 6: Final answer
    x = 669,421.81

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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.