Home / 899,695.40-1,348,679.10-520,226.60

Finding the Fourth Proportional to 899,695.40, 1,348,679.10 and 520,226.60

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Solution

The fourth proportional to 899,695.40, 1,348,679.10 and 520,226.60 is: 779,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,695.40 : 1,348,679.10 = 520,226.60 : x
  2. Step 2: Convert to fraction form
    899,695.40/1,348,679.10 = 520,226.60/x
  3. Step 3: Cross multiply
    899,695.40x = 1,348,679.10 × 520,226.60
  4. Step 4: Simplify right side
    899,695.40x = 701,618,742,684.06
  5. Step 5: Solve for x
    x = 701,618,742,684.06/899,695.40
  6. Step 6: Final answer
    x = 779,840.31

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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.