Home / 904,515.40-1,356,902.70-305,504.20

Finding the Fourth Proportional to 904,515.40, 1,356,902.70 and 305,504.20

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Solution

The fourth proportional to 904,515.40, 1,356,902.70 and 305,504.20 is: 458,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,515.40 : 1,356,902.70 = 305,504.20 : x
  2. Step 2: Convert to fraction form
    904,515.40/1,356,902.70 = 305,504.20/x
  3. Step 3: Cross multiply
    904,515.40x = 1,356,902.70 × 305,504.20
  4. Step 4: Simplify right side
    904,515.40x = 414,539,473,841.34
  5. Step 5: Solve for x
    x = 414,539,473,841.34/904,515.40
  6. Step 6: Final answer
    x = 458,300.07

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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.