Home / 734,573.31-1,101,869.70-418,653.87

Finding the Fourth Proportional to 734,573.31, 1,101,869.70 and 418,653.87

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Solution

The fourth proportional to 734,573.31, 1,101,869.70 and 418,653.87 is: 627,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,573.31 : 1,101,869.70 = 418,653.87 : x
  2. Step 2: Convert to fraction form
    734,573.31/1,101,869.70 = 418,653.87/x
  3. Step 3: Cross multiply
    734,573.31x = 1,101,869.70 × 418,653.87
  4. Step 4: Simplify right side
    734,573.31x = 461,302,014,140.74
  5. Step 5: Solve for x
    x = 461,302,014,140.74/734,573.31
  6. Step 6: Final answer
    x = 627,986.35

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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.