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Finding the Fourth Proportional to 942,315.86, 1,409,907 and 558,270.96

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Solution

The fourth proportional to 942,315.86, 1,409,907 and 558,270.96 is: 835,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,315.86 : 1,409,907 = 558,270.96 : x
  2. Step 2: Convert to fraction form
    942,315.86/1,409,907 = 558,270.96/x
  3. Step 3: Cross multiply
    942,315.86x = 1,409,907 × 558,270.96
  4. Step 4: Simplify right side
    942,315.86x = 787,110,134,400.72
  5. Step 5: Solve for x
    x = 787,110,134,400.72/942,315.86
  6. Step 6: Final answer
    x = 835,293.31

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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.