Home / 873,059.60-1,308,898.20-479,075.60

Finding the Fourth Proportional to 873,059.60, 1,308,898.20 and 479,075.60

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Solution

The fourth proportional to 873,059.60, 1,308,898.20 and 479,075.60 is: 718,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,059.60 : 1,308,898.20 = 479,075.60 : x
  2. Step 2: Convert to fraction form
    873,059.60/1,308,898.20 = 479,075.60/x
  3. Step 3: Cross multiply
    873,059.60x = 1,308,898.20 × 479,075.60
  4. Step 4: Simplify right side
    873,059.60x = 627,061,190,503.92
  5. Step 5: Solve for x
    x = 627,061,190,503.92/873,059.60
  6. Step 6: Final answer
    x = 718,234.12

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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.