Home / 1,208,767.32-1,813,215.72-310,216.80

Finding the Fourth Proportional to 1,208,767.32, 1,813,215.72 and 310,216.80

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Solution

The fourth proportional to 1,208,767.32, 1,813,215.72 and 310,216.80 is: 465,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,767.32 : 1,813,215.72 = 310,216.80 : x
  2. Step 2: Convert to fraction form
    1,208,767.32/1,813,215.72 = 310,216.80/x
  3. Step 3: Cross multiply
    1,208,767.32x = 1,813,215.72 × 310,216.80
  4. Step 4: Simplify right side
    1,208,767.32x = 562,489,978,368.10
  5. Step 5: Solve for x
    x = 562,489,978,368.10/1,208,767.32
  6. Step 6: Final answer
    x = 465,341.81

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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.