Home / 964,989.45-1,331,659.71-557,077.50

Finding the Fourth Proportional to 964,989.45, 1,331,659.71 and 557,077.50

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Solution

The fourth proportional to 964,989.45, 1,331,659.71 and 557,077.50 is: 768,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,989.45 : 1,331,659.71 = 557,077.50 : x
  2. Step 2: Convert to fraction form
    964,989.45/1,331,659.71 = 557,077.50/x
  3. Step 3: Cross multiply
    964,989.45x = 1,331,659.71 × 557,077.50
  4. Step 4: Simplify right side
    964,989.45x = 741,837,662,097.53
  5. Step 5: Solve for x
    x = 741,837,662,097.53/964,989.45
  6. Step 6: Final answer
    x = 768,752.10

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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.