Home / 904,816.10-1,356,666.87-305,720.66

Finding the Fourth Proportional to 904,816.10, 1,356,666.87 and 305,720.66

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Solution

The fourth proportional to 904,816.10, 1,356,666.87 and 305,720.66 is: 458,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,816.10 : 1,356,666.87 = 305,720.66 : x
  2. Step 2: Convert to fraction form
    904,816.10/1,356,666.87 = 305,720.66/x
  3. Step 3: Cross multiply
    904,816.10x = 1,356,666.87 × 305,720.66
  4. Step 4: Simplify right side
    904,816.10x = 414,761,090,896.53
  5. Step 5: Solve for x
    x = 414,761,090,896.53/904,816.10
  6. Step 6: Final answer
    x = 458,392.70

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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.