Home / 887,199.93-1,330,313.89-436,930.65

Finding the Fourth Proportional to 887,199.93, 1,330,313.89 and 436,930.65

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Solution

The fourth proportional to 887,199.93, 1,330,313.89 and 436,930.65 is: 655,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,199.93 : 1,330,313.89 = 436,930.65 : x
  2. Step 2: Convert to fraction form
    887,199.93/1,330,313.89 = 436,930.65/x
  3. Step 3: Cross multiply
    887,199.93x = 1,330,313.89 × 436,930.65
  4. Step 4: Simplify right side
    887,199.93x = 581,254,904,917.83
  5. Step 5: Solve for x
    x = 581,254,904,917.83/887,199.93
  6. Step 6: Final answer
    x = 655,156.62

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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.