Home / 1,105,252.75-1,657,879.03-306,534.28

Finding the Fourth Proportional to 1,105,252.75, 1,657,879.03 and 306,534.28

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Solution

The fourth proportional to 1,105,252.75, 1,657,879.03 and 306,534.28 is: 459,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,252.75 : 1,657,879.03 = 306,534.28 : x
  2. Step 2: Convert to fraction form
    1,105,252.75/1,657,879.03 = 306,534.28/x
  3. Step 3: Cross multiply
    1,105,252.75x = 1,657,879.03 × 306,534.28
  4. Step 4: Simplify right side
    1,105,252.75x = 508,196,754,788.15
  5. Step 5: Solve for x
    x = 508,196,754,788.15/1,105,252.75
  6. Step 6: Final answer
    x = 459,801.39

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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.