Home / 804,557.30-1,207,516.35-331,582.10

Finding the Fourth Proportional to 804,557.30, 1,207,516.35 and 331,582.10

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Solution

The fourth proportional to 804,557.30, 1,207,516.35 and 331,582.10 is: 497,653.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,557.30 : 1,207,516.35 = 331,582.10 : x
  2. Step 2: Convert to fraction form
    804,557.30/1,207,516.35 = 331,582.10/x
  3. Step 3: Cross multiply
    804,557.30x = 1,207,516.35 × 331,582.10
  4. Step 4: Simplify right side
    804,557.30x = 400,390,807,117.34
  5. Step 5: Solve for x
    x = 400,390,807,117.34/804,557.30
  6. Step 6: Final answer
    x = 497,653.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.