Home / 699,376.40-1,049,064.60-366,909.20

Finding the Fourth Proportional to 699,376.40, 1,049,064.60 and 366,909.20

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Solution

The fourth proportional to 699,376.40, 1,049,064.60 and 366,909.20 is: 550,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,376.40 : 1,049,064.60 = 366,909.20 : x
  2. Step 2: Convert to fraction form
    699,376.40/1,049,064.60 = 366,909.20/x
  3. Step 3: Cross multiply
    699,376.40x = 1,049,064.60 × 366,909.20
  4. Step 4: Simplify right side
    699,376.40x = 384,911,453,134.32
  5. Step 5: Solve for x
    x = 384,911,453,134.32/699,376.40
  6. Step 6: Final answer
    x = 550,363.80

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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.