Home / 891,095.40-1,336,643.10-292,076.10

Finding the Fourth Proportional to 891,095.40, 1,336,643.10 and 292,076.10

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Solution

The fourth proportional to 891,095.40, 1,336,643.10 and 292,076.10 is: 438,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,095.40 : 1,336,643.10 = 292,076.10 : x
  2. Step 2: Convert to fraction form
    891,095.40/1,336,643.10 = 292,076.10/x
  3. Step 3: Cross multiply
    891,095.40x = 1,336,643.10 × 292,076.10
  4. Step 4: Simplify right side
    891,095.40x = 390,401,503,739.91
  5. Step 5: Solve for x
    x = 390,401,503,739.91/891,095.40
  6. Step 6: Final answer
    x = 438,114.15

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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.