Home / 716,884.26-1,075,329.44-290,428.38

Finding the Fourth Proportional to 716,884.26, 1,075,329.44 and 290,428.38

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Solution

The fourth proportional to 716,884.26, 1,075,329.44 and 290,428.38 is: 435,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,884.26 : 1,075,329.44 = 290,428.38 : x
  2. Step 2: Convert to fraction form
    716,884.26/1,075,329.44 = 290,428.38/x
  3. Step 3: Cross multiply
    716,884.26x = 1,075,329.44 × 290,428.38
  4. Step 4: Simplify right side
    716,884.26x = 312,306,187,225.51
  5. Step 5: Solve for x
    x = 312,306,187,225.51/716,884.26
  6. Step 6: Final answer
    x = 435,643.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.