Home / 830,644.63-1,146,289.64-448,671.42

Finding the Fourth Proportional to 830,644.63, 1,146,289.64 and 448,671.42

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Solution

The fourth proportional to 830,644.63, 1,146,289.64 and 448,671.42 is: 619,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,644.63 : 1,146,289.64 = 448,671.42 : x
  2. Step 2: Convert to fraction form
    830,644.63/1,146,289.64 = 448,671.42/x
  3. Step 3: Cross multiply
    830,644.63x = 1,146,289.64 × 448,671.42
  4. Step 4: Simplify right side
    830,644.63x = 514,307,400,510.09
  5. Step 5: Solve for x
    x = 514,307,400,510.09/830,644.63
  6. Step 6: Final answer
    x = 619,166.59

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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.