Home / 965,178.37-1,332,064.27-557,279.53

Finding the Fourth Proportional to 965,178.37, 1,332,064.27 and 557,279.53

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Solution

The fourth proportional to 965,178.37, 1,332,064.27 and 557,279.53 is: 769,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,178.37 : 1,332,064.27 = 557,279.53 : x
  2. Step 2: Convert to fraction form
    965,178.37/1,332,064.27 = 557,279.53/x
  3. Step 3: Cross multiply
    965,178.37x = 1,332,064.27 × 557,279.53
  4. Step 4: Simplify right side
    965,178.37x = 742,332,143,655.07
  5. Step 5: Solve for x
    x = 742,332,143,655.07/965,178.37
  6. Step 6: Final answer
    x = 769,113.94

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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.