Home / 887,895.75-1,225,415.99-500,790.67

Finding the Fourth Proportional to 887,895.75, 1,225,415.99 and 500,790.67

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Solution

The fourth proportional to 887,895.75, 1,225,415.99 and 500,790.67 is: 691,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,895.75 : 1,225,415.99 = 500,790.67 : x
  2. Step 2: Convert to fraction form
    887,895.75/1,225,415.99 = 500,790.67/x
  3. Step 3: Cross multiply
    887,895.75x = 1,225,415.99 × 500,790.67
  4. Step 4: Simplify right side
    887,895.75x = 613,676,894,660.81
  5. Step 5: Solve for x
    x = 613,676,894,660.81/887,895.75
  6. Step 6: Final answer
    x = 691,158.73

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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.