Home / 939,314.85-1,296,254.94-509,594.86

Finding the Fourth Proportional to 939,314.85, 1,296,254.94 and 509,594.86

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Solution

The fourth proportional to 939,314.85, 1,296,254.94 and 509,594.86 is: 703,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,314.85 : 1,296,254.94 = 509,594.86 : x
  2. Step 2: Convert to fraction form
    939,314.85/1,296,254.94 = 509,594.86/x
  3. Step 3: Cross multiply
    939,314.85x = 1,296,254.94 × 509,594.86
  4. Step 4: Simplify right side
    939,314.85x = 660,564,854,673.61
  5. Step 5: Solve for x
    x = 660,564,854,673.61/939,314.85
  6. Step 6: Final answer
    x = 703,241.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.