Home / 891,007.40-1,336,562.30-260,018.60

Finding the Fourth Proportional to 891,007.40, 1,336,562.30 and 260,018.60

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Solution

The fourth proportional to 891,007.40, 1,336,562.30 and 260,018.60 is: 390,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,007.40 : 1,336,562.30 = 260,018.60 : x
  2. Step 2: Convert to fraction form
    891,007.40/1,336,562.30 = 260,018.60/x
  3. Step 3: Cross multiply
    891,007.40x = 1,336,562.30 × 260,018.60
  4. Step 4: Simplify right side
    891,007.40x = 347,531,058,058.78
  5. Step 5: Solve for x
    x = 347,531,058,058.78/891,007.40
  6. Step 6: Final answer
    x = 390,042.84

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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.