Home / 964,787.19-1,331,191.80-556,802.61

Finding the Fourth Proportional to 964,787.19, 1,331,191.80 and 556,802.61

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Solution

The fourth proportional to 964,787.19, 1,331,191.80 and 556,802.61 is: 768,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,787.19 : 1,331,191.80 = 556,802.61 : x
  2. Step 2: Convert to fraction form
    964,787.19/1,331,191.80 = 556,802.61/x
  3. Step 3: Cross multiply
    964,787.19x = 1,331,191.80 × 556,802.61
  4. Step 4: Simplify right side
    964,787.19x = 741,211,068,650.60
  5. Step 5: Solve for x
    x = 741,211,068,650.60/964,787.19
  6. Step 6: Final answer
    x = 768,263.80

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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.