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Finding the Fourth Proportional to 805,900.86, 1,112,019.84 and 466,303.50

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Solution

The fourth proportional to 805,900.86, 1,112,019.84 and 466,303.50 is: 643,427.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,900.86 : 1,112,019.84 = 466,303.50 : x
  2. Step 2: Convert to fraction form
    805,900.86/1,112,019.84 = 466,303.50/x
  3. Step 3: Cross multiply
    805,900.86x = 1,112,019.84 × 466,303.50
  4. Step 4: Simplify right side
    805,900.86x = 518,538,743,461.44
  5. Step 5: Solve for x
    x = 518,538,743,461.44/805,900.86
  6. Step 6: Final answer
    x = 643,427.46

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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.