Home / 728,548.80-1,092,823.20-613,075.20

Finding the Fourth Proportional to 728,548.80, 1,092,823.20 and 613,075.20

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Solution

The fourth proportional to 728,548.80, 1,092,823.20 and 613,075.20 is: 919,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,548.80 : 1,092,823.20 = 613,075.20 : x
  2. Step 2: Convert to fraction form
    728,548.80/1,092,823.20 = 613,075.20/x
  3. Step 3: Cross multiply
    728,548.80x = 1,092,823.20 × 613,075.20
  4. Step 4: Simplify right side
    728,548.80x = 669,982,801,904.64
  5. Step 5: Solve for x
    x = 669,982,801,904.64/728,548.80
  6. Step 6: Final answer
    x = 919,612.80

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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.