Home / 719,191.41-1,078,962.74-239,418.28

Finding the Fourth Proportional to 719,191.41, 1,078,962.74 and 239,418.28

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Solution

The fourth proportional to 719,191.41, 1,078,962.74 and 239,418.28 is: 359,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,191.41 : 1,078,962.74 = 239,418.28 : x
  2. Step 2: Convert to fraction form
    719,191.41/1,078,962.74 = 239,418.28/x
  3. Step 3: Cross multiply
    719,191.41x = 1,078,962.74 × 239,418.28
  4. Step 4: Simplify right side
    719,191.41x = 258,323,403,394.89
  5. Step 5: Solve for x
    x = 258,323,403,394.89/719,191.41
  6. Step 6: Final answer
    x = 359,185.89

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1.5x scale

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.