Home / 789,075.60-1,182,738.60-434,344.20

Finding the Fourth Proportional to 789,075.60, 1,182,738.60 and 434,344.20

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Solution

The fourth proportional to 789,075.60, 1,182,738.60 and 434,344.20 is: 651,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,075.60 : 1,182,738.60 = 434,344.20 : x
  2. Step 2: Convert to fraction form
    789,075.60/1,182,738.60 = 434,344.20/x
  3. Step 3: Cross multiply
    789,075.60x = 1,182,738.60 × 434,344.20
  4. Step 4: Simplify right side
    789,075.60x = 513,715,651,026.12
  5. Step 5: Solve for x
    x = 513,715,651,026.12/789,075.60
  6. Step 6: Final answer
    x = 651,034.77

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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.