Home / 848,272.92-1,272,139.25-279,547.89

Finding the Fourth Proportional to 848,272.92, 1,272,139.25 and 279,547.89

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Solution

The fourth proportional to 848,272.92, 1,272,139.25 and 279,547.89 is: 419,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,272.92 : 1,272,139.25 = 279,547.89 : x
  2. Step 2: Convert to fraction form
    848,272.92/1,272,139.25 = 279,547.89/x
  3. Step 3: Cross multiply
    848,272.92x = 1,272,139.25 × 279,547.89
  4. Step 4: Simplify right side
    848,272.92x = 355,623,841,725.94
  5. Step 5: Solve for x
    x = 355,623,841,725.94/848,272.92
  6. Step 6: Final answer
    x = 419,232.81

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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.