Home / 788,817.70-1,183,399.35-256,248.10

Finding the Fourth Proportional to 788,817.70, 1,183,399.35 and 256,248.10

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Solution

The fourth proportional to 788,817.70, 1,183,399.35 and 256,248.10 is: 384,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,817.70 : 1,183,399.35 = 256,248.10 : x
  2. Step 2: Convert to fraction form
    788,817.70/1,183,399.35 = 256,248.10/x
  3. Step 3: Cross multiply
    788,817.70x = 1,183,399.35 × 256,248.10
  4. Step 4: Simplify right side
    788,817.70x = 303,243,834,978.74
  5. Step 5: Solve for x
    x = 303,243,834,978.74/788,817.70
  6. Step 6: Final answer
    x = 384,428.28

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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.