Home / 858,560.22-1,287,548.73-297,463.74

Finding the Fourth Proportional to 858,560.22, 1,287,548.73 and 297,463.74

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Solution

The fourth proportional to 858,560.22, 1,287,548.73 and 297,463.74 is: 446,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,560.22 : 1,287,548.73 = 297,463.74 : x
  2. Step 2: Convert to fraction form
    858,560.22/1,287,548.73 = 297,463.74/x
  3. Step 3: Cross multiply
    858,560.22x = 1,287,548.73 × 297,463.74
  4. Step 4: Simplify right side
    858,560.22x = 382,999,060,658.05
  5. Step 5: Solve for x
    x = 382,999,060,658.05/858,560.22
  6. Step 6: Final answer
    x = 446,094.58

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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.