Home / 891,036.90-1,336,606.55-260,048.10

Finding the Fourth Proportional to 891,036.90, 1,336,606.55 and 260,048.10

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Solution

The fourth proportional to 891,036.90, 1,336,606.55 and 260,048.10 is: 390,087.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,036.90 : 1,336,606.55 = 260,048.10 : x
  2. Step 2: Convert to fraction form
    891,036.90/1,336,606.55 = 260,048.10/x
  3. Step 3: Cross multiply
    891,036.90x = 1,336,606.55 × 260,048.10
  4. Step 4: Simplify right side
    891,036.90x = 347,581,993,775.06
  5. Step 5: Solve for x
    x = 347,581,993,775.06/891,036.90
  6. Step 6: Final answer
    x = 390,087.09

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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.