Home / 909,381.53-1,254,955.07-501,497.73

Finding the Fourth Proportional to 909,381.53, 1,254,955.07 and 501,497.73

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Solution

The fourth proportional to 909,381.53, 1,254,955.07 and 501,497.73 is: 692,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,381.53 : 1,254,955.07 = 501,497.73 : x
  2. Step 2: Convert to fraction form
    909,381.53/1,254,955.07 = 501,497.73/x
  3. Step 3: Cross multiply
    909,381.53x = 1,254,955.07 × 501,497.73
  4. Step 4: Simplify right side
    909,381.53x = 629,357,120,110.74
  5. Step 5: Solve for x
    x = 629,357,120,110.74/909,381.53
  6. Step 6: Final answer
    x = 692,071.59

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1.5x scale

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.