Home / 730,118.88-1,007,555.52-407,860.32

Finding the Fourth Proportional to 730,118.88, 1,007,555.52 and 407,860.32

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Solution

The fourth proportional to 730,118.88, 1,007,555.52 and 407,860.32 is: 562,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,118.88 : 1,007,555.52 = 407,860.32 : x
  2. Step 2: Convert to fraction form
    730,118.88/1,007,555.52 = 407,860.32/x
  3. Step 3: Cross multiply
    730,118.88x = 1,007,555.52 × 407,860.32
  4. Step 4: Simplify right side
    730,118.88x = 410,941,916,804.97
  5. Step 5: Solve for x
    x = 410,941,916,804.97/730,118.88
  6. Step 6: Final answer
    x = 562,842.47

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Double scale
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Similar ratio
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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.