Home / 651,243.43-977,495.73-314,520.76

Finding the Fourth Proportional to 651,243.43, 977,495.73 and 314,520.76

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Solution

The fourth proportional to 651,243.43, 977,495.73 and 314,520.76 is: 472,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,243.43 : 977,495.73 = 314,520.76 : x
  2. Step 2: Convert to fraction form
    651,243.43/977,495.73 = 314,520.76/x
  3. Step 3: Cross multiply
    651,243.43x = 977,495.73 × 314,520.76
  4. Step 4: Simplify right side
    651,243.43x = 307,442,699,896.36
  5. Step 5: Solve for x
    x = 307,442,699,896.36/651,243.43
  6. Step 6: Final answer
    x = 472,085.68

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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.