Home / 744,328.20-1,116,638.10-317,863.20

Finding the Fourth Proportional to 744,328.20, 1,116,638.10 and 317,863.20

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Solution

The fourth proportional to 744,328.20, 1,116,638.10 and 317,863.20 is: 476,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,328.20 : 1,116,638.10 = 317,863.20 : x
  2. Step 2: Convert to fraction form
    744,328.20/1,116,638.10 = 317,863.20/x
  3. Step 3: Cross multiply
    744,328.20x = 1,116,638.10 × 317,863.20
  4. Step 4: Simplify right side
    744,328.20x = 354,938,159,707.92
  5. Step 5: Solve for x
    x = 354,938,159,707.92/744,328.20
  6. Step 6: Final answer
    x = 476,857.06

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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.