Home / 716,894.31-1,075,344.48-290,438.40

Finding the Fourth Proportional to 716,894.31, 1,075,344.48 and 290,438.40

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Solution

The fourth proportional to 716,894.31, 1,075,344.48 and 290,438.40 is: 435,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,894.31 : 1,075,344.48 = 290,438.40 : x
  2. Step 2: Convert to fraction form
    716,894.31/1,075,344.48 = 290,438.40/x
  3. Step 3: Cross multiply
    716,894.31x = 1,075,344.48 × 290,438.40
  4. Step 4: Simplify right side
    716,894.31x = 312,321,330,220.03
  5. Step 5: Solve for x
    x = 312,321,330,220.03/716,894.31
  6. Step 6: Final answer
    x = 435,658.82

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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.