Home / 772,086.40-1,159,166.40-492,841.60

Finding the Fourth Proportional to 772,086.40, 1,159,166.40 and 492,841.60

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Solution

The fourth proportional to 772,086.40, 1,159,166.40 and 492,841.60 is: 739,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,086.40 : 1,159,166.40 = 492,841.60 : x
  2. Step 2: Convert to fraction form
    772,086.40/1,159,166.40 = 492,841.60/x
  3. Step 3: Cross multiply
    772,086.40x = 1,159,166.40 × 492,841.60
  4. Step 4: Simplify right side
    772,086.40x = 571,285,423,242.24
  5. Step 5: Solve for x
    x = 571,285,423,242.24/772,086.40
  6. Step 6: Final answer
    x = 739,924.21

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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.