Home / 875,203.20-1,310,180.40-823,298.40

Finding the Fourth Proportional to 875,203.20, 1,310,180.40 and 823,298.40

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Solution

The fourth proportional to 875,203.20, 1,310,180.40 and 823,298.40 is: 1,232,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,203.20 : 1,310,180.40 = 823,298.40 : x
  2. Step 2: Convert to fraction form
    875,203.20/1,310,180.40 = 823,298.40/x
  3. Step 3: Cross multiply
    875,203.20x = 1,310,180.40 × 823,298.40
  4. Step 4: Simplify right side
    875,203.20x = 1,078,669,427,031.36
  5. Step 5: Solve for x
    x = 1,078,669,427,031.36/875,203.20
  6. Step 6: Final answer
    x = 1,232,478.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.