Home / 889,114.50-1,333,729.05-312,667.06

Finding the Fourth Proportional to 889,114.50, 1,333,729.05 and 312,667.06

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Solution

The fourth proportional to 889,114.50, 1,333,729.05 and 312,667.06 is: 469,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,114.50 : 1,333,729.05 = 312,667.06 : x
  2. Step 2: Convert to fraction form
    889,114.50/1,333,729.05 = 312,667.06/x
  3. Step 3: Cross multiply
    889,114.50x = 1,333,729.05 × 312,667.06
  4. Step 4: Simplify right side
    889,114.50x = 417,013,140,900.09
  5. Step 5: Solve for x
    x = 417,013,140,900.09/889,114.50
  6. Step 6: Final answer
    x = 469,020.74

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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.