Home / 520,027.60-779,983.80-146,088.40

Finding the Fourth Proportional to 520,027.60, 779,983.80 and 146,088.40

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Solution

The fourth proportional to 520,027.60, 779,983.80 and 146,088.40 is: 219,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,027.60 : 779,983.80 = 146,088.40 : x
  2. Step 2: Convert to fraction form
    520,027.60/779,983.80 = 146,088.40/x
  3. Step 3: Cross multiply
    520,027.60x = 779,983.80 × 146,088.40
  4. Step 4: Simplify right side
    520,027.60x = 113,946,585,367.92
  5. Step 5: Solve for x
    x = 113,946,585,367.92/520,027.60
  6. Step 6: Final answer
    x = 219,116.42

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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.