Home / 907,488.16-1,358,854.08-639,799.36

Finding the Fourth Proportional to 907,488.16, 1,358,854.08 and 639,799.36

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Solution

The fourth proportional to 907,488.16, 1,358,854.08 and 639,799.36 is: 958,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,488.16 : 1,358,854.08 = 639,799.36 : x
  2. Step 2: Convert to fraction form
    907,488.16/1,358,854.08 = 639,799.36/x
  3. Step 3: Cross multiply
    907,488.16x = 1,358,854.08 × 639,799.36
  4. Step 4: Simplify right side
    907,488.16x = 869,393,970,717.39
  5. Step 5: Solve for x
    x = 869,393,970,717.39/907,488.16
  6. Step 6: Final answer
    x = 958,022.38

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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.