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Finding the Fourth Proportional to 563,950.26, 778,255.17 and 309,303.27

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Solution

The fourth proportional to 563,950.26, 778,255.17 and 309,303.27 is: 426,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,950.26 : 778,255.17 = 309,303.27 : x
  2. Step 2: Convert to fraction form
    563,950.26/778,255.17 = 309,303.27/x
  3. Step 3: Cross multiply
    563,950.26x = 778,255.17 × 309,303.27
  4. Step 4: Simplify right side
    563,950.26x = 240,716,868,975.41
  5. Step 5: Solve for x
    x = 240,716,868,975.41/563,950.26
  6. Step 6: Final answer
    x = 426,840.60

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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.