Home / 809,948.50-1,117,728.93-452,252.50

Finding the Fourth Proportional to 809,948.50, 1,117,728.93 and 452,252.50

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Solution

The fourth proportional to 809,948.50, 1,117,728.93 and 452,252.50 is: 624,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,948.50 : 1,117,728.93 = 452,252.50 : x
  2. Step 2: Convert to fraction form
    809,948.50/1,117,728.93 = 452,252.50/x
  3. Step 3: Cross multiply
    809,948.50x = 1,117,728.93 × 452,252.50
  4. Step 4: Simplify right side
    809,948.50x = 505,495,702,914.83
  5. Step 5: Solve for x
    x = 505,495,702,914.83/809,948.50
  6. Step 6: Final answer
    x = 624,108.45

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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.