Home / 947,619.12-1,307,674.92-517,914.16

Finding the Fourth Proportional to 947,619.12, 1,307,674.92 and 517,914.16

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Solution

The fourth proportional to 947,619.12, 1,307,674.92 and 517,914.16 is: 714,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,619.12 : 1,307,674.92 = 517,914.16 : x
  2. Step 2: Convert to fraction form
    947,619.12/1,307,674.92 = 517,914.16/x
  3. Step 3: Cross multiply
    947,619.12x = 1,307,674.92 × 517,914.16
  4. Step 4: Simplify right side
    947,619.12x = 677,263,357,744.87
  5. Step 5: Solve for x
    x = 677,263,357,744.87/947,619.12
  6. Step 6: Final answer
    x = 714,699.97

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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.