Home / 989,075.34-1,483,797.51-449,369.46

Finding the Fourth Proportional to 989,075.34, 1,483,797.51 and 449,369.46

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Solution

The fourth proportional to 989,075.34, 1,483,797.51 and 449,369.46 is: 674,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,075.34 : 1,483,797.51 = 449,369.46 : x
  2. Step 2: Convert to fraction form
    989,075.34/1,483,797.51 = 449,369.46/x
  3. Step 3: Cross multiply
    989,075.34x = 1,483,797.51 × 449,369.46
  4. Step 4: Simplify right side
    989,075.34x = 666,773,285,818.05
  5. Step 5: Solve for x
    x = 666,773,285,818.05/989,075.34
  6. Step 6: Final answer
    x = 674,138.01

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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.