Home / 810,584.18-1,118,664.08-448,000.23

Finding the Fourth Proportional to 810,584.18, 1,118,664.08 and 448,000.23

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Solution

The fourth proportional to 810,584.18, 1,118,664.08 and 448,000.23 is: 618,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,584.18 : 1,118,664.08 = 448,000.23 : x
  2. Step 2: Convert to fraction form
    810,584.18/1,118,664.08 = 448,000.23/x
  3. Step 3: Cross multiply
    810,584.18x = 1,118,664.08 × 448,000.23
  4. Step 4: Simplify right side
    810,584.18x = 501,161,766,252.74
  5. Step 5: Solve for x
    x = 501,161,766,252.74/810,584.18
  6. Step 6: Final answer
    x = 618,272.33

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Double scale
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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.