Home / 879,112.89-1,318,906.05-452,416.23

Finding the Fourth Proportional to 879,112.89, 1,318,906.05 and 452,416.23

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Solution

The fourth proportional to 879,112.89, 1,318,906.05 and 452,416.23 is: 678,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,112.89 : 1,318,906.05 = 452,416.23 : x
  2. Step 2: Convert to fraction form
    879,112.89/1,318,906.05 = 452,416.23/x
  3. Step 3: Cross multiply
    879,112.89x = 1,318,906.05 × 452,416.23
  4. Step 4: Simplify right side
    879,112.89x = 596,694,502,865.19
  5. Step 5: Solve for x
    x = 596,694,502,865.19/879,112.89
  6. Step 6: Final answer
    x = 678,746.17

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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.