Home / 549,155.90-823,544.01-260,934.21

Finding the Fourth Proportional to 549,155.90, 823,544.01 and 260,934.21

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Solution

The fourth proportional to 549,155.90, 823,544.01 and 260,934.21 is: 391,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,155.90 : 823,544.01 = 260,934.21 : x
  2. Step 2: Convert to fraction form
    549,155.90/823,544.01 = 260,934.21/x
  3. Step 3: Cross multiply
    549,155.90x = 823,544.01 × 260,934.21
  4. Step 4: Simplify right side
    549,155.90x = 214,890,805,649.58
  5. Step 5: Solve for x
    x = 214,890,805,649.58/549,155.90
  6. Step 6: Final answer
    x = 391,311.11

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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.