Home / 942,012.60-1,413,105.30-310,927.80

Finding the Fourth Proportional to 942,012.60, 1,413,105.30 and 310,927.80

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Solution

The fourth proportional to 942,012.60, 1,413,105.30 and 310,927.80 is: 466,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,012.60 : 1,413,105.30 = 310,927.80 : x
  2. Step 2: Convert to fraction form
    942,012.60/1,413,105.30 = 310,927.80/x
  3. Step 3: Cross multiply
    942,012.60x = 1,413,105.30 × 310,927.80
  4. Step 4: Simplify right side
    942,012.60x = 439,373,722,097.34
  5. Step 5: Solve for x
    x = 439,373,722,097.34/942,012.60
  6. Step 6: Final answer
    x = 466,420.22

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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.