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Finding the Fourth Proportional to 560,202.72, 773,145.10 and 318,521.51

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Solution

The fourth proportional to 560,202.72, 773,145.10 and 318,521.51 is: 439,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,202.72 : 773,145.10 = 318,521.51 : x
  2. Step 2: Convert to fraction form
    560,202.72/773,145.10 = 318,521.51/x
  3. Step 3: Cross multiply
    560,202.72x = 773,145.10 × 318,521.51
  4. Step 4: Simplify right side
    560,202.72x = 246,263,344,701.10
  5. Step 5: Solve for x
    x = 246,263,344,701.10/560,202.72
  6. Step 6: Final answer
    x = 439,596.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.