Home / 788,595.90-1,182,893.85-256,134.30

Finding the Fourth Proportional to 788,595.90, 1,182,893.85 and 256,134.30

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Solution

The fourth proportional to 788,595.90, 1,182,893.85 and 256,134.30 is: 384,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,595.90 : 1,182,893.85 = 256,134.30 : x
  2. Step 2: Convert to fraction form
    788,595.90/1,182,893.85 = 256,134.30/x
  3. Step 3: Cross multiply
    788,595.90x = 1,182,893.85 × 256,134.30
  4. Step 4: Simplify right side
    788,595.90x = 302,979,688,244.06
  5. Step 5: Solve for x
    x = 302,979,688,244.06/788,595.90
  6. Step 6: Final answer
    x = 384,201.45

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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.