Home / 891,014.90-1,336,573.55-260,026.10

Finding the Fourth Proportional to 891,014.90, 1,336,573.55 and 260,026.10

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Solution

The fourth proportional to 891,014.90, 1,336,573.55 and 260,026.10 is: 390,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,014.90 : 1,336,573.55 = 260,026.10 : x
  2. Step 2: Convert to fraction form
    891,014.90/1,336,573.55 = 260,026.10/x
  3. Step 3: Cross multiply
    891,014.90x = 1,336,573.55 × 260,026.10
  4. Step 4: Simplify right side
    891,014.90x = 347,544,007,569.66
  5. Step 5: Solve for x
    x = 347,544,007,569.66/891,014.90
  6. Step 6: Final answer
    x = 390,054.09

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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.