Home / 642,631.82-958,202.43-624,975.94

Finding the Fourth Proportional to 642,631.82, 958,202.43 and 624,975.94

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Solution

The fourth proportional to 642,631.82, 958,202.43 and 624,975.94 is: 931,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,631.82 : 958,202.43 = 624,975.94 : x
  2. Step 2: Convert to fraction form
    642,631.82/958,202.43 = 624,975.94/x
  3. Step 3: Cross multiply
    642,631.82x = 958,202.43 × 624,975.94
  4. Step 4: Simplify right side
    642,631.82x = 598,853,466,769.12
  5. Step 5: Solve for x
    x = 598,853,466,769.12/642,631.82
  6. Step 6: Final answer
    x = 931,876.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.