Home / 731,186.40-1,097,125.20-310,821.60

Finding the Fourth Proportional to 731,186.40, 1,097,125.20 and 310,821.60

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Solution

The fourth proportional to 731,186.40, 1,097,125.20 and 310,821.60 is: 466,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,186.40 : 1,097,125.20 = 310,821.60 : x
  2. Step 2: Convert to fraction form
    731,186.40/1,097,125.20 = 310,821.60/x
  3. Step 3: Cross multiply
    731,186.40x = 1,097,125.20 × 310,821.60
  4. Step 4: Simplify right side
    731,186.40x = 341,010,210,064.32
  5. Step 5: Solve for x
    x = 341,010,210,064.32/731,186.40
  6. Step 6: Final answer
    x = 466,379.31

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1.5x scale

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.