Home / 407,240.09-607,553.40-385,195.13

Finding the Fourth Proportional to 407,240.09, 607,553.40 and 385,195.13

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Solution

The fourth proportional to 407,240.09, 607,553.40 and 385,195.13 is: 574,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,240.09 : 607,553.40 = 385,195.13 : x
  2. Step 2: Convert to fraction form
    407,240.09/607,553.40 = 385,195.13/x
  3. Step 3: Cross multiply
    407,240.09x = 607,553.40 × 385,195.13
  4. Step 4: Simplify right side
    407,240.09x = 234,026,608,968.97
  5. Step 5: Solve for x
    x = 234,026,608,968.97/407,240.09
  6. Step 6: Final answer
    x = 574,664.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.