Home / 809,838.72-1,213,701.12-585,953.28

Finding the Fourth Proportional to 809,838.72, 1,213,701.12 and 585,953.28

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Solution

The fourth proportional to 809,838.72, 1,213,701.12 and 585,953.28 is: 878,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,838.72 : 1,213,701.12 = 585,953.28 : x
  2. Step 2: Convert to fraction form
    809,838.72/1,213,701.12 = 585,953.28/x
  3. Step 3: Cross multiply
    809,838.72x = 1,213,701.12 × 585,953.28
  4. Step 4: Simplify right side
    809,838.72x = 711,172,152,203.67
  5. Step 5: Solve for x
    x = 711,172,152,203.67/809,838.72
  6. Step 6: Final answer
    x = 878,165.16

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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.