Home / 891,010.90-1,336,567.55-260,022.10

Finding the Fourth Proportional to 891,010.90, 1,336,567.55 and 260,022.10

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Solution

The fourth proportional to 891,010.90, 1,336,567.55 and 260,022.10 is: 390,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,010.90 : 1,336,567.55 = 260,022.10 : x
  2. Step 2: Convert to fraction form
    891,010.90/1,336,567.55 = 260,022.10/x
  3. Step 3: Cross multiply
    891,010.90x = 1,336,567.55 × 260,022.10
  4. Step 4: Simplify right side
    891,010.90x = 347,537,101,142.86
  5. Step 5: Solve for x
    x = 347,537,101,142.86/891,010.90
  6. Step 6: Final answer
    x = 390,048.09

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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.