Home / 839,841.60-1,259,393.04-307,224.48

Finding the Fourth Proportional to 839,841.60, 1,259,393.04 and 307,224.48

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Solution

The fourth proportional to 839,841.60, 1,259,393.04 and 307,224.48 is: 460,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,841.60 : 1,259,393.04 = 307,224.48 : x
  2. Step 2: Convert to fraction form
    839,841.60/1,259,393.04 = 307,224.48/x
  3. Step 3: Cross multiply
    839,841.60x = 1,259,393.04 × 307,224.48
  4. Step 4: Simplify right side
    839,841.60x = 386,916,371,829.62
  5. Step 5: Solve for x
    x = 386,916,371,829.62/839,841.60
  6. Step 6: Final answer
    x = 460,701.60

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1.5x scale

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.