Home / 779,271.40-1,168,907.10-280,570.60

Finding the Fourth Proportional to 779,271.40, 1,168,907.10 and 280,570.60

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Solution

The fourth proportional to 779,271.40, 1,168,907.10 and 280,570.60 is: 420,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,271.40 : 1,168,907.10 = 280,570.60 : x
  2. Step 2: Convert to fraction form
    779,271.40/1,168,907.10 = 280,570.60/x
  3. Step 3: Cross multiply
    779,271.40x = 1,168,907.10 × 280,570.60
  4. Step 4: Simplify right side
    779,271.40x = 327,960,966,391.26
  5. Step 5: Solve for x
    x = 327,960,966,391.26/779,271.40
  6. Step 6: Final answer
    x = 420,855.90

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Double scale
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Similar ratio
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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.