Home / 858,971.45-1,286,495.01-410,008.37

Finding the Fourth Proportional to 858,971.45, 1,286,495.01 and 410,008.37

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Solution

The fourth proportional to 858,971.45, 1,286,495.01 and 410,008.37 is: 614,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,971.45 : 1,286,495.01 = 410,008.37 : x
  2. Step 2: Convert to fraction form
    858,971.45/1,286,495.01 = 410,008.37/x
  3. Step 3: Cross multiply
    858,971.45x = 1,286,495.01 × 410,008.37
  4. Step 4: Simplify right side
    858,971.45x = 527,473,722,063.23
  5. Step 5: Solve for x
    x = 527,473,722,063.23/858,971.45
  6. Step 6: Final answer
    x = 614,075.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.