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Finding the Fourth Proportional to 524,612.40, 787,307.40 and 384,644.40

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Solution

The fourth proportional to 524,612.40, 787,307.40 and 384,644.40 is: 577,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,612.40 : 787,307.40 = 384,644.40 : x
  2. Step 2: Convert to fraction form
    524,612.40/787,307.40 = 384,644.40/x
  3. Step 3: Cross multiply
    524,612.40x = 787,307.40 × 384,644.40
  4. Step 4: Simplify right side
    524,612.40x = 302,833,382,488.56
  5. Step 5: Solve for x
    x = 302,833,382,488.56/524,612.40
  6. Step 6: Final answer
    x = 577,251.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.