Home / 460,839.16-635,697.57-288,457.90

Finding the Fourth Proportional to 460,839.16, 635,697.57 and 288,457.90

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Solution

The fourth proportional to 460,839.16, 635,697.57 and 288,457.90 is: 397,908.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,839.16 : 635,697.57 = 288,457.90 : x
  2. Step 2: Convert to fraction form
    460,839.16/635,697.57 = 288,457.90/x
  3. Step 3: Cross multiply
    460,839.16x = 635,697.57 × 288,457.90
  4. Step 4: Simplify right side
    460,839.16x = 183,371,985,735.10
  5. Step 5: Solve for x
    x = 183,371,985,735.10/460,839.16
  6. Step 6: Final answer
    x = 397,908.86

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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.