Home / 823,085.64-1,234,675.98-317,649.24

Finding the Fourth Proportional to 823,085.64, 1,234,675.98 and 317,649.24

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Solution

The fourth proportional to 823,085.64, 1,234,675.98 and 317,649.24 is: 476,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,085.64 : 1,234,675.98 = 317,649.24 : x
  2. Step 2: Convert to fraction form
    823,085.64/1,234,675.98 = 317,649.24/x
  3. Step 3: Cross multiply
    823,085.64x = 1,234,675.98 × 317,649.24
  4. Step 4: Simplify right side
    823,085.64x = 392,193,886,693.26
  5. Step 5: Solve for x
    x = 392,193,886,693.26/823,085.64
  6. Step 6: Final answer
    x = 476,492.20

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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.