Home / 738,276.42-1,107,530.82-258,650.92

Finding the Fourth Proportional to 738,276.42, 1,107,530.82 and 258,650.92

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Solution

The fourth proportional to 738,276.42, 1,107,530.82 and 258,650.92 is: 388,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,276.42 : 1,107,530.82 = 258,650.92 : x
  2. Step 2: Convert to fraction form
    738,276.42/1,107,530.82 = 258,650.92/x
  3. Step 3: Cross multiply
    738,276.42x = 1,107,530.82 × 258,650.92
  4. Step 4: Simplify right side
    738,276.42x = 286,463,866,905.77
  5. Step 5: Solve for x
    x = 286,463,866,905.77/738,276.42
  6. Step 6: Final answer
    x = 388,017.09

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1.5x scale

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.