Home / 754,458.04-1,130,983.98-517,912.12

Finding the Fourth Proportional to 754,458.04, 1,130,983.98 and 517,912.12

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Solution

The fourth proportional to 754,458.04, 1,130,983.98 and 517,912.12 is: 776,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,458.04 : 1,130,983.98 = 517,912.12 : x
  2. Step 2: Convert to fraction form
    754,458.04/1,130,983.98 = 517,912.12/x
  3. Step 3: Cross multiply
    754,458.04x = 1,130,983.98 × 517,912.12
  4. Step 4: Simplify right side
    754,458.04x = 585,750,310,767.84
  5. Step 5: Solve for x
    x = 585,750,310,767.84/754,458.04
  6. Step 6: Final answer
    x = 776,385.54

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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.