Home / 749,179-1,123,769.58-305,947

Finding the Fourth Proportional to 749,179, 1,123,769.58 and 305,947

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Solution

The fourth proportional to 749,179, 1,123,769.58 and 305,947 is: 458,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,179 : 1,123,769.58 = 305,947 : x
  2. Step 2: Convert to fraction form
    749,179/1,123,769.58 = 305,947/x
  3. Step 3: Cross multiply
    749,179x = 1,123,769.58 × 305,947
  4. Step 4: Simplify right side
    749,179x = 343,813,931,692.26
  5. Step 5: Solve for x
    x = 343,813,931,692.26/749,179
  6. Step 6: Final answer
    x = 458,920.94

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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.