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Finding the Fourth Proportional to 526,477.40, 788,808.90 and 245,418.20

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Solution

The fourth proportional to 526,477.40, 788,808.90 and 245,418.20 is: 367,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,477.40 : 788,808.90 = 245,418.20 : x
  2. Step 2: Convert to fraction form
    526,477.40/788,808.90 = 245,418.20/x
  3. Step 3: Cross multiply
    526,477.40x = 788,808.90 × 245,418.20
  4. Step 4: Simplify right side
    526,477.40x = 193,588,060,381.98
  5. Step 5: Solve for x
    x = 193,588,060,381.98/526,477.40
  6. Step 6: Final answer
    x = 367,704.41

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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.