Home / 830,468.62-1,146,046.64-448,495.36

Finding the Fourth Proportional to 830,468.62, 1,146,046.64 and 448,495.36

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Solution

The fourth proportional to 830,468.62, 1,146,046.64 and 448,495.36 is: 618,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,468.62 : 1,146,046.64 = 448,495.36 : x
  2. Step 2: Convert to fraction form
    830,468.62/1,146,046.64 = 448,495.36/x
  3. Step 3: Cross multiply
    830,468.62x = 1,146,046.64 × 448,495.36
  4. Step 4: Simplify right side
    830,468.62x = 513,996,600,383.59
  5. Step 5: Solve for x
    x = 513,996,600,383.59/830,468.62
  6. Step 6: Final answer
    x = 618,923.57

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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.