Home / 830,876.62-1,146,610.32-448,903.30

Finding the Fourth Proportional to 830,876.62, 1,146,610.32 and 448,903.30

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Solution

The fourth proportional to 830,876.62, 1,146,610.32 and 448,903.30 is: 619,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,876.62 : 1,146,610.32 = 448,903.30 : x
  2. Step 2: Convert to fraction form
    830,876.62/1,146,610.32 = 448,903.30/x
  3. Step 3: Cross multiply
    830,876.62x = 1,146,610.32 × 448,903.30
  4. Step 4: Simplify right side
    830,876.62x = 514,717,156,462.06
  5. Step 5: Solve for x
    x = 514,717,156,462.06/830,876.62
  6. Step 6: Final answer
    x = 619,486.87

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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.