Home / 875,866.57-1,208,737.28-493,885.15

Finding the Fourth Proportional to 875,866.57, 1,208,737.28 and 493,885.15

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Solution

The fourth proportional to 875,866.57, 1,208,737.28 and 493,885.15 is: 681,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,866.57 : 1,208,737.28 = 493,885.15 : x
  2. Step 2: Convert to fraction form
    875,866.57/1,208,737.28 = 493,885.15/x
  3. Step 3: Cross multiply
    875,866.57x = 1,208,737.28 × 493,885.15
  4. Step 4: Simplify right side
    875,866.57x = 596,977,391,056.26
  5. Step 5: Solve for x
    x = 596,977,391,056.26/875,866.57
  6. Step 6: Final answer
    x = 681,584.86

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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.