Home / 874,235.30-1,310,964.15-401,065.70

Finding the Fourth Proportional to 874,235.30, 1,310,964.15 and 401,065.70

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Solution

The fourth proportional to 874,235.30, 1,310,964.15 and 401,065.70 is: 601,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,235.30 : 1,310,964.15 = 401,065.70 : x
  2. Step 2: Convert to fraction form
    874,235.30/1,310,964.15 = 401,065.70/x
  3. Step 3: Cross multiply
    874,235.30x = 1,310,964.15 × 401,065.70
  4. Step 4: Simplify right side
    874,235.30x = 525,782,754,494.66
  5. Step 5: Solve for x
    x = 525,782,754,494.66/874,235.30
  6. Step 6: Final answer
    x = 601,420.18

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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.