Home / 654,382.80-903,495.60-501,150.24

Finding the Fourth Proportional to 654,382.80, 903,495.60 and 501,150.24

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Solution

The fourth proportional to 654,382.80, 903,495.60 and 501,150.24 is: 691,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,382.80 : 903,495.60 = 501,150.24 : x
  2. Step 2: Convert to fraction form
    654,382.80/903,495.60 = 501,150.24/x
  3. Step 3: Cross multiply
    654,382.80x = 903,495.60 × 501,150.24
  4. Step 4: Simplify right side
    654,382.80x = 452,787,036,778.94
  5. Step 5: Solve for x
    x = 452,787,036,778.94/654,382.80
  6. Step 6: Final answer
    x = 691,929.92

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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.