Home / 690,937.70-1,036,406.55-241,509.20

Finding the Fourth Proportional to 690,937.70, 1,036,406.55 and 241,509.20

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Solution

The fourth proportional to 690,937.70, 1,036,406.55 and 241,509.20 is: 362,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,937.70 : 1,036,406.55 = 241,509.20 : x
  2. Step 2: Convert to fraction form
    690,937.70/1,036,406.55 = 241,509.20/x
  3. Step 3: Cross multiply
    690,937.70x = 1,036,406.55 × 241,509.20
  4. Step 4: Simplify right side
    690,937.70x = 250,301,716,765.26
  5. Step 5: Solve for x
    x = 250,301,716,765.26/690,937.70
  6. Step 6: Final answer
    x = 362,263.80

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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.