Home / 911,465.84-1,366,300.20-320,075.12

Finding the Fourth Proportional to 911,465.84, 1,366,300.20 and 320,075.12

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Solution

The fourth proportional to 911,465.84, 1,366,300.20 and 320,075.12 is: 479,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,465.84 : 1,366,300.20 = 320,075.12 : x
  2. Step 2: Convert to fraction form
    911,465.84/1,366,300.20 = 320,075.12/x
  3. Step 3: Cross multiply
    911,465.84x = 1,366,300.20 × 320,075.12
  4. Step 4: Simplify right side
    911,465.84x = 437,318,700,471.02
  5. Step 5: Solve for x
    x = 437,318,700,471.02/911,465.84
  6. Step 6: Final answer
    x = 479,797.14

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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.