Home / 628,344.21-867,136.61-341,875.16

Finding the Fourth Proportional to 628,344.21, 867,136.61 and 341,875.16

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Solution

The fourth proportional to 628,344.21, 867,136.61 and 341,875.16 is: 471,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,344.21 : 867,136.61 = 341,875.16 : x
  2. Step 2: Convert to fraction form
    628,344.21/867,136.61 = 341,875.16/x
  3. Step 3: Cross multiply
    628,344.21x = 867,136.61 × 341,875.16
  4. Step 4: Simplify right side
    628,344.21x = 296,452,463,804.61
  5. Step 5: Solve for x
    x = 296,452,463,804.61/628,344.21
  6. Step 6: Final answer
    x = 471,799.47

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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.