Home / 890,579.88-1,332,716.42-553,779.14

Finding the Fourth Proportional to 890,579.88, 1,332,716.42 and 553,779.14

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Solution

The fourth proportional to 890,579.88, 1,332,716.42 and 553,779.14 is: 828,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,579.88 : 1,332,716.42 = 553,779.14 : x
  2. Step 2: Convert to fraction form
    890,579.88/1,332,716.42 = 553,779.14/x
  3. Step 3: Cross multiply
    890,579.88x = 1,332,716.42 × 553,779.14
  4. Step 4: Simplify right side
    890,579.88x = 738,030,552,931.48
  5. Step 5: Solve for x
    x = 738,030,552,931.48/890,579.88
  6. Step 6: Final answer
    x = 828,707.87

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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.