Home / 848,906.89-1,273,089.65-280,182.40

Finding the Fourth Proportional to 848,906.89, 1,273,089.65 and 280,182.40

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Solution

The fourth proportional to 848,906.89, 1,273,089.65 and 280,182.40 is: 420,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,906.89 : 1,273,089.65 = 280,182.40 : x
  2. Step 2: Convert to fraction form
    848,906.89/1,273,089.65 = 280,182.40/x
  3. Step 3: Cross multiply
    848,906.89x = 1,273,089.65 × 280,182.40
  4. Step 4: Simplify right side
    848,906.89x = 356,697,307,186.71
  5. Step 5: Solve for x
    x = 356,697,307,186.71/848,906.89
  6. Step 6: Final answer
    x = 420,184.26

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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.