Home / 742,920.30-1,114,367.49-181,959.66

Finding the Fourth Proportional to 742,920.30, 1,114,367.49 and 181,959.66

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Solution

The fourth proportional to 742,920.30, 1,114,367.49 and 181,959.66 is: 272,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,920.30 : 1,114,367.49 = 181,959.66 : x
  2. Step 2: Convert to fraction form
    742,920.30/1,114,367.49 = 181,959.66/x
  3. Step 3: Cross multiply
    742,920.30x = 1,114,367.49 × 181,959.66
  4. Step 4: Simplify right side
    742,920.30x = 202,769,929,595.45
  5. Step 5: Solve for x
    x = 202,769,929,595.45/742,920.30
  6. Step 6: Final answer
    x = 272,936.32

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1.5x scale

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.