Home / 851,468.09-1,173,805.02-669,864.67

Finding the Fourth Proportional to 851,468.09, 1,173,805.02 and 669,864.67

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Solution

The fourth proportional to 851,468.09, 1,173,805.02 and 669,864.67 is: 923,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,468.09 : 1,173,805.02 = 669,864.67 : x
  2. Step 2: Convert to fraction form
    851,468.09/1,173,805.02 = 669,864.67/x
  3. Step 3: Cross multiply
    851,468.09x = 1,173,805.02 × 669,864.67
  4. Step 4: Simplify right side
    851,468.09x = 786,290,509,432.13
  5. Step 5: Solve for x
    x = 786,290,509,432.13/851,468.09
  6. Step 6: Final answer
    x = 923,452.71

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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.