Home / 887,037.90-1,330,556.85-255,972.30

Finding the Fourth Proportional to 887,037.90, 1,330,556.85 and 255,972.30

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Solution

The fourth proportional to 887,037.90, 1,330,556.85 and 255,972.30 is: 383,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,037.90 : 1,330,556.85 = 255,972.30 : x
  2. Step 2: Convert to fraction form
    887,037.90/1,330,556.85 = 255,972.30/x
  3. Step 3: Cross multiply
    887,037.90x = 1,330,556.85 × 255,972.30
  4. Step 4: Simplify right side
    887,037.90x = 340,585,697,175.26
  5. Step 5: Solve for x
    x = 340,585,697,175.26/887,037.90
  6. Step 6: Final answer
    x = 383,958.45

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Double scale
Find fourth proportional to 887,038.90, 1,330,558.35 and 255,973.30
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.