Home / 860,725.98-1,187,946-498,087.36

Finding the Fourth Proportional to 860,725.98, 1,187,946 and 498,087.36

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Solution

The fourth proportional to 860,725.98, 1,187,946 and 498,087.36 is: 687,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,725.98 : 1,187,946 = 498,087.36 : x
  2. Step 2: Convert to fraction form
    860,725.98/1,187,946 = 498,087.36/x
  3. Step 3: Cross multiply
    860,725.98x = 1,187,946 × 498,087.36
  4. Step 4: Simplify right side
    860,725.98x = 591,700,886,962.56
  5. Step 5: Solve for x
    x = 591,700,886,962.56/860,725.98
  6. Step 6: Final answer
    x = 687,443.97

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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.