Home / 942,020.70-1,413,359.10-409,923.60

Finding the Fourth Proportional to 942,020.70, 1,413,359.10 and 409,923.60

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Solution

The fourth proportional to 942,020.70, 1,413,359.10 and 409,923.60 is: 615,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,020.70 : 1,413,359.10 = 409,923.60 : x
  2. Step 2: Convert to fraction form
    942,020.70/1,413,359.10 = 409,923.60/x
  3. Step 3: Cross multiply
    942,020.70x = 1,413,359.10 × 409,923.60
  4. Step 4: Simplify right side
    942,020.70x = 579,369,250,364.76
  5. Step 5: Solve for x
    x = 579,369,250,364.76/942,020.70
  6. Step 6: Final answer
    x = 615,028.15

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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.