Home / 704,057.60-1,056,086.40-626,643.20

Finding the Fourth Proportional to 704,057.60, 1,056,086.40 and 626,643.20

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Solution

The fourth proportional to 704,057.60, 1,056,086.40 and 626,643.20 is: 939,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,057.60 : 1,056,086.40 = 626,643.20 : x
  2. Step 2: Convert to fraction form
    704,057.60/1,056,086.40 = 626,643.20/x
  3. Step 3: Cross multiply
    704,057.60x = 1,056,086.40 × 626,643.20
  4. Step 4: Simplify right side
    704,057.60x = 661,789,361,172.48
  5. Step 5: Solve for x
    x = 661,789,361,172.48/704,057.60
  6. Step 6: Final answer
    x = 939,964.80

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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.