Home / 520,056.29-780,113.60-146,050.13

Finding the Fourth Proportional to 520,056.29, 780,113.60 and 146,050.13

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Solution

The fourth proportional to 520,056.29, 780,113.60 and 146,050.13 is: 219,083.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,056.29 : 780,113.60 = 146,050.13 : x
  2. Step 2: Convert to fraction form
    520,056.29/780,113.60 = 146,050.13/x
  3. Step 3: Cross multiply
    520,056.29x = 780,113.60 × 146,050.13
  4. Step 4: Simplify right side
    520,056.29x = 113,935,692,694.77
  5. Step 5: Solve for x
    x = 113,935,692,694.77/520,056.29
  6. Step 6: Final answer
    x = 219,083.39

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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.