Home / 914,075.24-1,371,109.55-274,376.20

Finding the Fourth Proportional to 914,075.24, 1,371,109.55 and 274,376.20

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Solution

The fourth proportional to 914,075.24, 1,371,109.55 and 274,376.20 is: 411,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,075.24 : 1,371,109.55 = 274,376.20 : x
  2. Step 2: Convert to fraction form
    914,075.24/1,371,109.55 = 274,376.20/x
  3. Step 3: Cross multiply
    914,075.24x = 1,371,109.55 × 274,376.20
  4. Step 4: Simplify right side
    914,075.24x = 376,199,826,270.81
  5. Step 5: Solve for x
    x = 376,199,826,270.81/914,075.24
  6. Step 6: Final answer
    x = 411,563.30

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Double scale
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Similar ratio
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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.