Home / 690,975.94-1,037,016.87-358,646.98

Finding the Fourth Proportional to 690,975.94, 1,037,016.87 and 358,646.98

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Solution

The fourth proportional to 690,975.94, 1,037,016.87 and 358,646.98 is: 538,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,975.94 : 1,037,016.87 = 358,646.98 : x
  2. Step 2: Convert to fraction form
    690,975.94/1,037,016.87 = 358,646.98/x
  3. Step 3: Cross multiply
    690,975.94x = 1,037,016.87 × 358,646.98
  4. Step 4: Simplify right side
    690,975.94x = 371,922,968,634.55
  5. Step 5: Solve for x
    x = 371,922,968,634.55/690,975.94
  6. Step 6: Final answer
    x = 538,257.48

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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.