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Finding the Fourth Proportional to 575,567.81, 863,950.53 and 423,936.10

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Solution

The fourth proportional to 575,567.81, 863,950.53 and 423,936.10 is: 636,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,567.81 : 863,950.53 = 423,936.10 : x
  2. Step 2: Convert to fraction form
    575,567.81/863,950.53 = 423,936.10/x
  3. Step 3: Cross multiply
    575,567.81x = 863,950.53 × 423,936.10
  4. Step 4: Simplify right side
    575,567.81x = 366,259,816,121.26
  5. Step 5: Solve for x
    x = 366,259,816,121.26/575,567.81
  6. Step 6: Final answer
    x = 636,345.21

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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.