Home / 909,378.81-1,254,935.16-501,497.64

Finding the Fourth Proportional to 909,378.81, 1,254,935.16 and 501,497.64

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Solution

The fourth proportional to 909,378.81, 1,254,935.16 and 501,497.64 is: 692,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,378.81 : 1,254,935.16 = 501,497.64 : x
  2. Step 2: Convert to fraction form
    909,378.81/1,254,935.16 = 501,497.64/x
  3. Step 3: Cross multiply
    909,378.81x = 1,254,935.16 × 501,497.64
  4. Step 4: Simplify right side
    909,378.81x = 629,347,021,093.02
  5. Step 5: Solve for x
    x = 629,347,021,093.02/909,378.81
  6. Step 6: Final answer
    x = 692,062.55

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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.