Home / 979,861.26-1,352,173.86-550,159.50

Finding the Fourth Proportional to 979,861.26, 1,352,173.86 and 550,159.50

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Solution

The fourth proportional to 979,861.26, 1,352,173.86 and 550,159.50 is: 759,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,861.26 : 1,352,173.86 = 550,159.50 : x
  2. Step 2: Convert to fraction form
    979,861.26/1,352,173.86 = 550,159.50/x
  3. Step 3: Cross multiply
    979,861.26x = 1,352,173.86 × 550,159.50
  4. Step 4: Simplify right side
    979,861.26x = 743,911,294,730.67
  5. Step 5: Solve for x
    x = 743,911,294,730.67/979,861.26
  6. Step 6: Final answer
    x = 759,200.64

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1.5x scale

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.