Home / 942,178.74-1,412,412.93-342,716.19

Finding the Fourth Proportional to 942,178.74, 1,412,412.93 and 342,716.19

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Solution

The fourth proportional to 942,178.74, 1,412,412.93 and 342,716.19 is: 513,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,178.74 : 1,412,412.93 = 342,716.19 : x
  2. Step 2: Convert to fraction form
    942,178.74/1,412,412.93 = 342,716.19/x
  3. Step 3: Cross multiply
    942,178.74x = 1,412,412.93 × 342,716.19
  4. Step 4: Simplify right side
    942,178.74x = 484,056,778,076.34
  5. Step 5: Solve for x
    x = 484,056,778,076.34/942,178.74
  6. Step 6: Final answer
    x = 513,763.21

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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.