Home / 563,121.22-776,484.57-358,848.56

Finding the Fourth Proportional to 563,121.22, 776,484.57 and 358,848.56

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Solution

The fourth proportional to 563,121.22, 776,484.57 and 358,848.56 is: 494,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,121.22 : 776,484.57 = 358,848.56 : x
  2. Step 2: Convert to fraction form
    563,121.22/776,484.57 = 358,848.56/x
  3. Step 3: Cross multiply
    563,121.22x = 776,484.57 × 358,848.56
  4. Step 4: Simplify right side
    563,121.22x = 278,640,369,806.72
  5. Step 5: Solve for x
    x = 278,640,369,806.72/563,121.22
  6. Step 6: Final answer
    x = 494,814.19

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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.