Home / 727,675.10-1,004,265.51-405,437.66

Finding the Fourth Proportional to 727,675.10, 1,004,265.51 and 405,437.66

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Solution

The fourth proportional to 727,675.10, 1,004,265.51 and 405,437.66 is: 559,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,675.10 : 1,004,265.51 = 405,437.66 : x
  2. Step 2: Convert to fraction form
    727,675.10/1,004,265.51 = 405,437.66/x
  3. Step 3: Cross multiply
    727,675.10x = 1,004,265.51 × 405,437.66
  4. Step 4: Simplify right side
    727,675.10x = 407,167,058,393.11
  5. Step 5: Solve for x
    x = 407,167,058,393.11/727,675.10
  6. Step 6: Final answer
    x = 559,545.13

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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.