Home / 965,178.26-1,332,064.13-557,279.42

Finding the Fourth Proportional to 965,178.26, 1,332,064.13 and 557,279.42

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Solution

The fourth proportional to 965,178.26, 1,332,064.13 and 557,279.42 is: 769,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,178.26 : 1,332,064.13 = 557,279.42 : x
  2. Step 2: Convert to fraction form
    965,178.26/1,332,064.13 = 557,279.42/x
  3. Step 3: Cross multiply
    965,178.26x = 1,332,064.13 × 557,279.42
  4. Step 4: Simplify right side
    965,178.26x = 742,331,926,312.97
  5. Step 5: Solve for x
    x = 742,331,926,312.97/965,178.26
  6. Step 6: Final answer
    x = 769,113.81

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1.5x scale

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.