Home / 549,079.60-823,619.40-528,084.40

Finding the Fourth Proportional to 549,079.60, 823,619.40 and 528,084.40

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Solution

The fourth proportional to 549,079.60, 823,619.40 and 528,084.40 is: 792,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,079.60 : 823,619.40 = 528,084.40 : x
  2. Step 2: Convert to fraction form
    549,079.60/823,619.40 = 528,084.40/x
  3. Step 3: Cross multiply
    549,079.60x = 823,619.40 × 528,084.40
  4. Step 4: Simplify right side
    549,079.60x = 434,940,556,677.36
  5. Step 5: Solve for x
    x = 434,940,556,677.36/549,079.60
  6. Step 6: Final answer
    x = 792,126.60

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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.