Home / 891,984.54-1,337,987.74-260,911.10

Finding the Fourth Proportional to 891,984.54, 1,337,987.74 and 260,911.10

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Solution

The fourth proportional to 891,984.54, 1,337,987.74 and 260,911.10 is: 391,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,984.54 : 1,337,987.74 = 260,911.10 : x
  2. Step 2: Convert to fraction form
    891,984.54/1,337,987.74 = 260,911.10/x
  3. Step 3: Cross multiply
    891,984.54x = 1,337,987.74 × 260,911.10
  4. Step 4: Simplify right side
    891,984.54x = 349,095,853,029.91
  5. Step 5: Solve for x
    x = 349,095,853,029.91/891,984.54
  6. Step 6: Final answer
    x = 391,369.85

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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.