Home / 651,420.81-975,687.62-500,550.57

Finding the Fourth Proportional to 651,420.81, 975,687.62 and 500,550.57

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Solution

The fourth proportional to 651,420.81, 975,687.62 and 500,550.57 is: 749,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,420.81 : 975,687.62 = 500,550.57 : x
  2. Step 2: Convert to fraction form
    651,420.81/975,687.62 = 500,550.57/x
  3. Step 3: Cross multiply
    651,420.81x = 975,687.62 × 500,550.57
  4. Step 4: Simplify right side
    651,420.81x = 488,380,991,830.19
  5. Step 5: Solve for x
    x = 488,380,991,830.19/651,420.81
  6. Step 6: Final answer
    x = 749,716.60

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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.