Home / 880,137.50-1,214,558.32-498,156.08

Finding the Fourth Proportional to 880,137.50, 1,214,558.32 and 498,156.08

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Solution

The fourth proportional to 880,137.50, 1,214,558.32 and 498,156.08 is: 687,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,137.50 : 1,214,558.32 = 498,156.08 : x
  2. Step 2: Convert to fraction form
    880,137.50/1,214,558.32 = 498,156.08/x
  3. Step 3: Cross multiply
    880,137.50x = 1,214,558.32 × 498,156.08
  4. Step 4: Simplify right side
    880,137.50x = 605,039,604,304.40
  5. Step 5: Solve for x
    x = 605,039,604,304.40/880,137.50
  6. Step 6: Final answer
    x = 687,437.60

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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.