Home / 413,075.40-619,576.65-113,529.30

Finding the Fourth Proportional to 413,075.40, 619,576.65 and 113,529.30

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Solution

The fourth proportional to 413,075.40, 619,576.65 and 113,529.30 is: 170,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,075.40 : 619,576.65 = 113,529.30 : x
  2. Step 2: Convert to fraction form
    413,075.40/619,576.65 = 113,529.30/x
  3. Step 3: Cross multiply
    413,075.40x = 619,576.65 × 113,529.30
  4. Step 4: Simplify right side
    413,075.40x = 70,340,103,370.85
  5. Step 5: Solve for x
    x = 70,340,103,370.85/413,075.40
  6. Step 6: Final answer
    x = 170,283.93

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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.