Home / 848,776.90-1,273,726.20-399,626.20

Finding the Fourth Proportional to 848,776.90, 1,273,726.20 and 399,626.20

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Solution

The fourth proportional to 848,776.90, 1,273,726.20 and 399,626.20 is: 599,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,776.90 : 1,273,726.20 = 399,626.20 : x
  2. Step 2: Convert to fraction form
    848,776.90/1,273,726.20 = 399,626.20/x
  3. Step 3: Cross multiply
    848,776.90x = 1,273,726.20 × 399,626.20
  4. Step 4: Simplify right side
    848,776.90x = 509,014,361,146.44
  5. Step 5: Solve for x
    x = 509,014,361,146.44/848,776.90
  6. Step 6: Final answer
    x = 599,703.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.