Home / 1,020,920.27-1,531,324.51-310,888.85

Finding the Fourth Proportional to 1,020,920.27, 1,531,324.51 and 310,888.85

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Solution

The fourth proportional to 1,020,920.27, 1,531,324.51 and 310,888.85 is: 466,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,920.27 : 1,531,324.51 = 310,888.85 : x
  2. Step 2: Convert to fraction form
    1,020,920.27/1,531,324.51 = 310,888.85/x
  3. Step 3: Cross multiply
    1,020,920.27x = 1,531,324.51 × 310,888.85
  4. Step 4: Simplify right side
    1,020,920.27x = 476,071,707,456.87
  5. Step 5: Solve for x
    x = 476,071,707,456.87/1,020,920.27
  6. Step 6: Final answer
    x = 466,316.25

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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.