Home / 751,412.70-1,036,989.27-411,895.26

Finding the Fourth Proportional to 751,412.70, 1,036,989.27 and 411,895.26

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Solution

The fourth proportional to 751,412.70, 1,036,989.27 and 411,895.26 is: 568,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,412.70 : 1,036,989.27 = 411,895.26 : x
  2. Step 2: Convert to fraction form
    751,412.70/1,036,989.27 = 411,895.26/x
  3. Step 3: Cross multiply
    751,412.70x = 1,036,989.27 × 411,895.26
  4. Step 4: Simplify right side
    751,412.70x = 427,130,964,983.86
  5. Step 5: Solve for x
    x = 427,130,964,983.86/751,412.70
  6. Step 6: Final answer
    x = 568,437.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.