Home / 716,847.17-1,075,245.23-312,038.73

Finding the Fourth Proportional to 716,847.17, 1,075,245.23 and 312,038.73

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Solution

The fourth proportional to 716,847.17, 1,075,245.23 and 312,038.73 is: 468,046.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,847.17 : 1,075,245.23 = 312,038.73 : x
  2. Step 2: Convert to fraction form
    716,847.17/1,075,245.23 = 312,038.73/x
  3. Step 3: Cross multiply
    716,847.17x = 1,075,245.23 × 312,038.73
  4. Step 4: Simplify right side
    716,847.17x = 335,518,156,787.86
  5. Step 5: Solve for x
    x = 335,518,156,787.86/716,847.17
  6. Step 6: Final answer
    x = 468,046.99

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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.