Home / 1,012,016.30-1,518,194.55-302,116.10

Finding the Fourth Proportional to 1,012,016.30, 1,518,194.55 and 302,116.10

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Solution

The fourth proportional to 1,012,016.30, 1,518,194.55 and 302,116.10 is: 453,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,016.30 : 1,518,194.55 = 302,116.10 : x
  2. Step 2: Convert to fraction form
    1,012,016.30/1,518,194.55 = 302,116.10/x
  3. Step 3: Cross multiply
    1,012,016.30x = 1,518,194.55 × 302,116.10
  4. Step 4: Simplify right side
    1,012,016.30x = 458,671,016,487.26
  5. Step 5: Solve for x
    x = 458,671,016,487.26/1,012,016.30
  6. Step 6: Final answer
    x = 453,224.93

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Double scale
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Similar ratio
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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.