Home / 788,954.60-1,183,431.90-537,012.20

Finding the Fourth Proportional to 788,954.60, 1,183,431.90 and 537,012.20

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Solution

The fourth proportional to 788,954.60, 1,183,431.90 and 537,012.20 is: 805,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,954.60 : 1,183,431.90 = 537,012.20 : x
  2. Step 2: Convert to fraction form
    788,954.60/1,183,431.90 = 537,012.20/x
  3. Step 3: Cross multiply
    788,954.60x = 1,183,431.90 × 537,012.20
  4. Step 4: Simplify right side
    788,954.60x = 635,517,368,169.18
  5. Step 5: Solve for x
    x = 635,517,368,169.18/788,954.60
  6. Step 6: Final answer
    x = 805,518.30

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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.