Home / 727,862.34-1,004,436.48-405,565.56

Finding the Fourth Proportional to 727,862.34, 1,004,436.48 and 405,565.56

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Solution

The fourth proportional to 727,862.34, 1,004,436.48 and 405,565.56 is: 559,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,862.34 : 1,004,436.48 = 405,565.56 : x
  2. Step 2: Convert to fraction form
    727,862.34/1,004,436.48 = 405,565.56/x
  3. Step 3: Cross multiply
    727,862.34x = 1,004,436.48 × 405,565.56
  4. Step 4: Simplify right side
    727,862.34x = 407,364,843,495.63
  5. Step 5: Solve for x
    x = 407,364,843,495.63/727,862.34
  6. Step 6: Final answer
    x = 559,672.92

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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.