Home / 917,392.98-1,373,994.38-437,958.02

Finding the Fourth Proportional to 917,392.98, 1,373,994.38 and 437,958.02

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Solution

The fourth proportional to 917,392.98, 1,373,994.38 and 437,958.02 is: 655,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,392.98 : 1,373,994.38 = 437,958.02 : x
  2. Step 2: Convert to fraction form
    917,392.98/1,373,994.38 = 437,958.02/x
  3. Step 3: Cross multiply
    917,392.98x = 1,373,994.38 × 437,958.02
  4. Step 4: Simplify right side
    917,392.98x = 601,751,858,155.93
  5. Step 5: Solve for x
    x = 601,751,858,155.93/917,392.98
  6. Step 6: Final answer
    x = 655,936.85

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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.