Home / 654,670.02-903,309.17-382,685.34

Finding the Fourth Proportional to 654,670.02, 903,309.17 and 382,685.34

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Solution

The fourth proportional to 654,670.02, 903,309.17 and 382,685.34 is: 528,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,670.02 : 903,309.17 = 382,685.34 : x
  2. Step 2: Convert to fraction form
    654,670.02/903,309.17 = 382,685.34/x
  3. Step 3: Cross multiply
    654,670.02x = 903,309.17 × 382,685.34
  4. Step 4: Simplify right side
    654,670.02x = 345,683,174,933.14
  5. Step 5: Solve for x
    x = 345,683,174,933.14/654,670.02
  6. Step 6: Final answer
    x = 528,026.58

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Double scale
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Similar ratio
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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.