Home / 742,649.02-1,114,032.39-210,173.38

Finding the Fourth Proportional to 742,649.02, 1,114,032.39 and 210,173.38

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Solution

The fourth proportional to 742,649.02, 1,114,032.39 and 210,173.38 is: 315,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,649.02 : 1,114,032.39 = 210,173.38 : x
  2. Step 2: Convert to fraction form
    742,649.02/1,114,032.39 = 210,173.38/x
  3. Step 3: Cross multiply
    742,649.02x = 1,114,032.39 × 210,173.38
  4. Step 4: Simplify right side
    742,649.02x = 234,139,952,835.78
  5. Step 5: Solve for x
    x = 234,139,952,835.78/742,649.02
  6. Step 6: Final answer
    x = 315,276.73

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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.