Home / 848,569.25-1,272,013.09-398,484.45

Finding the Fourth Proportional to 848,569.25, 1,272,013.09 and 398,484.45

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Solution

The fourth proportional to 848,569.25, 1,272,013.09 and 398,484.45 is: 597,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,569.25 : 1,272,013.09 = 398,484.45 : x
  2. Step 2: Convert to fraction form
    848,569.25/1,272,013.09 = 398,484.45/x
  3. Step 3: Cross multiply
    848,569.25x = 1,272,013.09 × 398,484.45
  4. Step 4: Simplify right side
    848,569.25x = 506,877,436,561.45
  5. Step 5: Solve for x
    x = 506,877,436,561.45/848,569.25
  6. Step 6: Final answer
    x = 597,331.85

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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.