Home / 909,409.98-1,254,969.18-501,549.48

Finding the Fourth Proportional to 909,409.98, 1,254,969.18 and 501,549.48

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Solution

The fourth proportional to 909,409.98, 1,254,969.18 and 501,549.48 is: 692,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,409.98 : 1,254,969.18 = 501,549.48 : x
  2. Step 2: Convert to fraction form
    909,409.98/1,254,969.18 = 501,549.48/x
  3. Step 3: Cross multiply
    909,409.98x = 1,254,969.18 × 501,549.48
  4. Step 4: Simplify right side
    909,409.98x = 629,429,139,645.03
  5. Step 5: Solve for x
    x = 629,429,139,645.03/909,409.98
  6. Step 6: Final answer
    x = 692,129.13

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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.