Home / 830,467.31-1,146,044.93-448,494.08

Finding the Fourth Proportional to 830,467.31, 1,146,044.93 and 448,494.08

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Solution

The fourth proportional to 830,467.31, 1,146,044.93 and 448,494.08 is: 618,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,467.31 : 1,146,044.93 = 448,494.08 : x
  2. Step 2: Convert to fraction form
    830,467.31/1,146,044.93 = 448,494.08/x
  3. Step 3: Cross multiply
    830,467.31x = 1,146,044.93 × 448,494.08
  4. Step 4: Simplify right side
    830,467.31x = 513,994,358,546.32
  5. Step 5: Solve for x
    x = 513,994,358,546.32/830,467.31
  6. Step 6: Final answer
    x = 618,921.85

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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.