Home / 622,462.73-858,688.29-380,323.35

Finding the Fourth Proportional to 622,462.73, 858,688.29 and 380,323.35

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Solution

The fourth proportional to 622,462.73, 858,688.29 and 380,323.35 is: 524,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,462.73 : 858,688.29 = 380,323.35 : x
  2. Step 2: Convert to fraction form
    622,462.73/858,688.29 = 380,323.35/x
  3. Step 3: Cross multiply
    622,462.73x = 858,688.29 × 380,323.35
  4. Step 4: Simplify right side
    622,462.73x = 326,579,207,058.57
  5. Step 5: Solve for x
    x = 326,579,207,058.57/622,462.73
  6. Step 6: Final answer
    x = 524,656.65

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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.