Home / 1,005,684.77-1,507,530.72-472,250.90

Finding the Fourth Proportional to 1,005,684.77, 1,507,530.72 and 472,250.90

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Solution

The fourth proportional to 1,005,684.77, 1,507,530.72 and 472,250.90 is: 707,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,684.77 : 1,507,530.72 = 472,250.90 : x
  2. Step 2: Convert to fraction form
    1,005,684.77/1,507,530.72 = 472,250.90/x
  3. Step 3: Cross multiply
    1,005,684.77x = 1,507,530.72 × 472,250.90
  4. Step 4: Simplify right side
    1,005,684.77x = 711,932,739,297.65
  5. Step 5: Solve for x
    x = 711,932,739,297.65/1,005,684.77
  6. Step 6: Final answer
    x = 707,908.44

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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.