Home / 520,026-778,785.12-253,124.52

Finding the Fourth Proportional to 520,026, 778,785.12 and 253,124.52

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Solution

The fourth proportional to 520,026, 778,785.12 and 253,124.52 is: 379,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,026 : 778,785.12 = 253,124.52 : x
  2. Step 2: Convert to fraction form
    520,026/778,785.12 = 253,124.52/x
  3. Step 3: Cross multiply
    520,026x = 778,785.12 × 253,124.52
  4. Step 4: Simplify right side
    520,026x = 197,129,609,683.14
  5. Step 5: Solve for x
    x = 197,129,609,683.14/520,026
  6. Step 6: Final answer
    x = 379,076.45

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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.