Home / 691,051.20-1,036,629.28-235,500.85

Finding the Fourth Proportional to 691,051.20, 1,036,629.28 and 235,500.85

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Solution

The fourth proportional to 691,051.20, 1,036,629.28 and 235,500.85 is: 353,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,051.20 : 1,036,629.28 = 235,500.85 : x
  2. Step 2: Convert to fraction form
    691,051.20/1,036,629.28 = 235,500.85/x
  3. Step 3: Cross multiply
    691,051.20x = 1,036,629.28 × 235,500.85
  4. Step 4: Simplify right side
    691,051.20x = 244,127,076,574.89
  5. Step 5: Solve for x
    x = 244,127,076,574.89/691,051.20
  6. Step 6: Final answer
    x = 353,269.16

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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.