Home / 751,412.77-1,036,344.99-660,574.51

Finding the Fourth Proportional to 751,412.77, 1,036,344.99 and 660,574.51

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Solution

The fourth proportional to 751,412.77, 1,036,344.99 and 660,574.51 is: 911,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,412.77 : 1,036,344.99 = 660,574.51 : x
  2. Step 2: Convert to fraction form
    751,412.77/1,036,344.99 = 660,574.51/x
  3. Step 3: Cross multiply
    751,412.77x = 1,036,344.99 × 660,574.51
  4. Step 4: Simplify right side
    751,412.77x = 684,583,083,960.21
  5. Step 5: Solve for x
    x = 684,583,083,960.21/751,412.77
  6. Step 6: Final answer
    x = 911,061.29

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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.