Home / 520,029.60-779,986.80-146,090.40

Finding the Fourth Proportional to 520,029.60, 779,986.80 and 146,090.40

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Solution

The fourth proportional to 520,029.60, 779,986.80 and 146,090.40 is: 219,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,029.60 : 779,986.80 = 146,090.40 : x
  2. Step 2: Convert to fraction form
    520,029.60/779,986.80 = 146,090.40/x
  3. Step 3: Cross multiply
    520,029.60x = 779,986.80 × 146,090.40
  4. Step 4: Simplify right side
    520,029.60x = 113,948,583,606.72
  5. Step 5: Solve for x
    x = 113,948,583,606.72/520,029.60
  6. Step 6: Final answer
    x = 219,119.42

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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.