Home / 689,056.98-1,032,686.01-351,812.46

Finding the Fourth Proportional to 689,056.98, 1,032,686.01 and 351,812.46

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Solution

The fourth proportional to 689,056.98, 1,032,686.01 and 351,812.46 is: 527,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,056.98 : 1,032,686.01 = 351,812.46 : x
  2. Step 2: Convert to fraction form
    689,056.98/1,032,686.01 = 351,812.46/x
  3. Step 3: Cross multiply
    689,056.98x = 1,032,686.01 × 351,812.46
  4. Step 4: Simplify right side
    689,056.98x = 363,311,809,458.26
  5. Step 5: Solve for x
    x = 363,311,809,458.26/689,056.98
  6. Step 6: Final answer
    x = 527,259.46

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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.