Home / 876,555.20-1,314,964.20-371,115.20

Finding the Fourth Proportional to 876,555.20, 1,314,964.20 and 371,115.20

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Solution

The fourth proportional to 876,555.20, 1,314,964.20 and 371,115.20 is: 556,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,555.20 : 1,314,964.20 = 371,115.20 : x
  2. Step 2: Convert to fraction form
    876,555.20/1,314,964.20 = 371,115.20/x
  3. Step 3: Cross multiply
    876,555.20x = 1,314,964.20 × 371,115.20
  4. Step 4: Simplify right side
    876,555.20x = 488,003,202,075.84
  5. Step 5: Solve for x
    x = 488,003,202,075.84/876,555.20
  6. Step 6: Final answer
    x = 556,728.43

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Double scale
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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.