Home / 877,928.98-1,315,876.92-403,618.90

Finding the Fourth Proportional to 877,928.98, 1,315,876.92 and 403,618.90

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Solution

The fourth proportional to 877,928.98, 1,315,876.92 and 403,618.90 is: 604,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,928.98 : 1,315,876.92 = 403,618.90 : x
  2. Step 2: Convert to fraction form
    877,928.98/1,315,876.92 = 403,618.90/x
  3. Step 3: Cross multiply
    877,928.98x = 1,315,876.92 × 403,618.90
  4. Step 4: Simplify right side
    877,928.98x = 531,112,794,985.79
  5. Step 5: Solve for x
    x = 531,112,794,985.79/877,928.98
  6. Step 6: Final answer
    x = 604,961.00

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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.