Home / 830,644.52-1,146,289.91-448,671.29

Finding the Fourth Proportional to 830,644.52, 1,146,289.91 and 448,671.29

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Solution

The fourth proportional to 830,644.52, 1,146,289.91 and 448,671.29 is: 619,166.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,644.52 : 1,146,289.91 = 448,671.29 : x
  2. Step 2: Convert to fraction form
    830,644.52/1,146,289.91 = 448,671.29/x
  3. Step 3: Cross multiply
    830,644.52x = 1,146,289.91 × 448,671.29
  4. Step 4: Simplify right side
    830,644.52x = 514,307,364,658.88
  5. Step 5: Solve for x
    x = 514,307,364,658.88/830,644.52
  6. Step 6: Final answer
    x = 619,166.63

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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.