Home / 876,095.52-1,209,009.36-488,906.80

Finding the Fourth Proportional to 876,095.52, 1,209,009.36 and 488,906.80

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Solution

The fourth proportional to 876,095.52, 1,209,009.36 and 488,906.80 is: 674,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,095.52 : 1,209,009.36 = 488,906.80 : x
  2. Step 2: Convert to fraction form
    876,095.52/1,209,009.36 = 488,906.80/x
  3. Step 3: Cross multiply
    876,095.52x = 1,209,009.36 × 488,906.80
  4. Step 4: Simplify right side
    876,095.52x = 591,092,897,367.65
  5. Step 5: Solve for x
    x = 591,092,897,367.65/876,095.52
  6. Step 6: Final answer
    x = 674,690.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.