Home / 742,650.02-1,114,033.89-210,174.38

Finding the Fourth Proportional to 742,650.02, 1,114,033.89 and 210,174.38

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Solution

The fourth proportional to 742,650.02, 1,114,033.89 and 210,174.38 is: 315,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,650.02 : 1,114,033.89 = 210,174.38 : x
  2. Step 2: Convert to fraction form
    742,650.02/1,114,033.89 = 210,174.38/x
  3. Step 3: Cross multiply
    742,650.02x = 1,114,033.89 × 210,174.38
  4. Step 4: Simplify right side
    742,650.02x = 234,141,382,129.74
  5. Step 5: Solve for x
    x = 234,141,382,129.74/742,650.02
  6. Step 6: Final answer
    x = 315,278.23

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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.