Home / 909,377.64-1,254,950.31-501,495.78

Finding the Fourth Proportional to 909,377.64, 1,254,950.31 and 501,495.78

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Solution

The fourth proportional to 909,377.64, 1,254,950.31 and 501,495.78 is: 692,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,377.64 : 1,254,950.31 = 501,495.78 : x
  2. Step 2: Convert to fraction form
    909,377.64/1,254,950.31 = 501,495.78/x
  3. Step 3: Cross multiply
    909,377.64x = 1,254,950.31 × 501,495.78
  4. Step 4: Simplify right side
    909,377.64x = 629,352,284,574.69
  5. Step 5: Solve for x
    x = 629,352,284,574.69/909,377.64
  6. Step 6: Final answer
    x = 692,069.23

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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.