Home / 942,132.96-1,413,200.40-381,172.32

Finding the Fourth Proportional to 942,132.96, 1,413,200.40 and 381,172.32

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Solution

The fourth proportional to 942,132.96, 1,413,200.40 and 381,172.32 is: 571,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,132.96 : 1,413,200.40 = 381,172.32 : x
  2. Step 2: Convert to fraction form
    942,132.96/1,413,200.40 = 381,172.32/x
  3. Step 3: Cross multiply
    942,132.96x = 1,413,200.40 × 381,172.32
  4. Step 4: Simplify right side
    942,132.96x = 538,672,875,092.93
  5. Step 5: Solve for x
    x = 538,672,875,092.93/942,132.96
  6. Step 6: Final answer
    x = 571,758.87

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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.