Home / 942,488.11-1,413,196.59-643,330.81

Finding the Fourth Proportional to 942,488.11, 1,413,196.59 and 643,330.81

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Solution

The fourth proportional to 942,488.11, 1,413,196.59 and 643,330.81 is: 964,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,488.11 : 1,413,196.59 = 643,330.81 : x
  2. Step 2: Convert to fraction form
    942,488.11/1,413,196.59 = 643,330.81/x
  3. Step 3: Cross multiply
    942,488.11x = 1,413,196.59 × 643,330.81
  4. Step 4: Simplify right side
    942,488.11x = 909,152,906,933.94
  5. Step 5: Solve for x
    x = 909,152,906,933.94/942,488.11
  6. Step 6: Final answer
    x = 964,630.64

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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.