Home / 885,690.06-1,328,745.89-286,651.22

Finding the Fourth Proportional to 885,690.06, 1,328,745.89 and 286,651.22

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Solution

The fourth proportional to 885,690.06, 1,328,745.89 and 286,651.22 is: 430,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,690.06 : 1,328,745.89 = 286,651.22 : x
  2. Step 2: Convert to fraction form
    885,690.06/1,328,745.89 = 286,651.22/x
  3. Step 3: Cross multiply
    885,690.06x = 1,328,745.89 × 286,651.22
  4. Step 4: Simplify right side
    885,690.06x = 380,886,634,476.98
  5. Step 5: Solve for x
    x = 380,886,634,476.98/885,690.06
  6. Step 6: Final answer
    x = 430,045.06

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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.