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Finding the Fourth Proportional to 806,363, 1,112,758.55 and 457,566.94

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Solution

The fourth proportional to 806,363, 1,112,758.55 and 457,566.94 is: 631,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,363 : 1,112,758.55 = 457,566.94 : x
  2. Step 2: Convert to fraction form
    806,363/1,112,758.55 = 457,566.94/x
  3. Step 3: Cross multiply
    806,363x = 1,112,758.55 × 457,566.94
  4. Step 4: Simplify right side
    806,363x = 509,161,524,682.34
  5. Step 5: Solve for x
    x = 509,161,524,682.34/806,363
  6. Step 6: Final answer
    x = 631,429.67

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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.