Home / 983,556.09-1,357,457.27-708,825.15

Finding the Fourth Proportional to 983,556.09, 1,357,457.27 and 708,825.15

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Solution

The fourth proportional to 983,556.09, 1,357,457.27 and 708,825.15 is: 978,286.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,556.09 : 1,357,457.27 = 708,825.15 : x
  2. Step 2: Convert to fraction form
    983,556.09/1,357,457.27 = 708,825.15/x
  3. Step 3: Cross multiply
    983,556.09x = 1,357,457.27 × 708,825.15
  4. Step 4: Simplify right side
    983,556.09x = 962,199,849,482.22
  5. Step 5: Solve for x
    x = 962,199,849,482.22/983,556.09
  6. Step 6: Final answer
    x = 978,286.71

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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.