Home / 843,043.20-1,264,564.80-630,466.80

Finding the Fourth Proportional to 843,043.20, 1,264,564.80 and 630,466.80

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Solution

The fourth proportional to 843,043.20, 1,264,564.80 and 630,466.80 is: 945,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,043.20 : 1,264,564.80 = 630,466.80 : x
  2. Step 2: Convert to fraction form
    843,043.20/1,264,564.80 = 630,466.80/x
  3. Step 3: Cross multiply
    843,043.20x = 1,264,564.80 × 630,466.80
  4. Step 4: Simplify right side
    843,043.20x = 797,266,122,848.64
  5. Step 5: Solve for x
    x = 797,266,122,848.64/843,043.20
  6. Step 6: Final answer
    x = 945,700.20

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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.