Home / 839,272.64-1,260,006.42-498,338.60

Finding the Fourth Proportional to 839,272.64, 1,260,006.42 and 498,338.60

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Solution

The fourth proportional to 839,272.64, 1,260,006.42 and 498,338.60 is: 748,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,272.64 : 1,260,006.42 = 498,338.60 : x
  2. Step 2: Convert to fraction form
    839,272.64/1,260,006.42 = 498,338.60/x
  3. Step 3: Cross multiply
    839,272.64x = 1,260,006.42 × 498,338.60
  4. Step 4: Simplify right side
    839,272.64x = 627,909,835,333.81
  5. Step 5: Solve for x
    x = 627,909,835,333.81/839,272.64
  6. Step 6: Final answer
    x = 748,159.54

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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.