Home / 942,151.05-1,412,371.32-342,688.41

Finding the Fourth Proportional to 942,151.05, 1,412,371.32 and 342,688.41

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Solution

The fourth proportional to 942,151.05, 1,412,371.32 and 342,688.41 is: 513,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,151.05 : 1,412,371.32 = 342,688.41 : x
  2. Step 2: Convert to fraction form
    942,151.05/1,412,371.32 = 342,688.41/x
  3. Step 3: Cross multiply
    942,151.05x = 1,412,371.32 × 342,688.41
  4. Step 4: Simplify right side
    942,151.05x = 484,003,281,980.40
  5. Step 5: Solve for x
    x = 484,003,281,980.40/942,151.05
  6. Step 6: Final answer
    x = 513,721.53

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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.