Home / 538,784.33-743,521.73-297,070.70

Finding the Fourth Proportional to 538,784.33, 743,521.73 and 297,070.70

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Solution

The fourth proportional to 538,784.33, 743,521.73 and 297,070.70 is: 409,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,784.33 : 743,521.73 = 297,070.70 : x
  2. Step 2: Convert to fraction form
    538,784.33/743,521.73 = 297,070.70/x
  3. Step 3: Cross multiply
    538,784.33x = 743,521.73 × 297,070.70
  4. Step 4: Simplify right side
    538,784.33x = 220,878,515,593.35
  5. Step 5: Solve for x
    x = 220,878,515,593.35/538,784.33
  6. Step 6: Final answer
    x = 409,957.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.