Home / 947,323.42-1,308,179.37-608,382.16

Finding the Fourth Proportional to 947,323.42, 1,308,179.37 and 608,382.16

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Solution

The fourth proportional to 947,323.42, 1,308,179.37 and 608,382.16 is: 840,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,323.42 : 1,308,179.37 = 608,382.16 : x
  2. Step 2: Convert to fraction form
    947,323.42/1,308,179.37 = 608,382.16/x
  3. Step 3: Cross multiply
    947,323.42x = 1,308,179.37 × 608,382.16
  4. Step 4: Simplify right side
    947,323.42x = 795,872,990,788.04
  5. Step 5: Solve for x
    x = 795,872,990,788.04/947,323.42
  6. Step 6: Final answer
    x = 840,128.06

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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.