Home / 476,895.30-658,172.73-286,013.70

Finding the Fourth Proportional to 476,895.30, 658,172.73 and 286,013.70

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Solution

The fourth proportional to 476,895.30, 658,172.73 and 286,013.70 is: 394,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,895.30 : 658,172.73 = 286,013.70 : x
  2. Step 2: Convert to fraction form
    476,895.30/658,172.73 = 286,013.70/x
  3. Step 3: Cross multiply
    476,895.30x = 658,172.73 × 286,013.70
  4. Step 4: Simplify right side
    476,895.30x = 188,246,417,746.40
  5. Step 5: Solve for x
    x = 188,246,417,746.40/476,895.30
  6. Step 6: Final answer
    x = 394,733.22

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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.