Home / 916,492.80-1,374,333.24-489,925.29

Finding the Fourth Proportional to 916,492.80, 1,374,333.24 and 489,925.29

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Solution

The fourth proportional to 916,492.80, 1,374,333.24 and 489,925.29 is: 734,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,492.80 : 1,374,333.24 = 489,925.29 : x
  2. Step 2: Convert to fraction form
    916,492.80/1,374,333.24 = 489,925.29/x
  3. Step 3: Cross multiply
    916,492.80x = 1,374,333.24 × 489,925.29
  4. Step 4: Simplify right side
    916,492.80x = 673,320,611,163.64
  5. Step 5: Solve for x
    x = 673,320,611,163.64/916,492.80
  6. Step 6: Final answer
    x = 734,670.92

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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.