Home / 885,722.51-1,328,794.67-286,683.77

Finding the Fourth Proportional to 885,722.51, 1,328,794.67 and 286,683.77

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Solution

The fourth proportional to 885,722.51, 1,328,794.67 and 286,683.77 is: 430,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,722.51 : 1,328,794.67 = 286,683.77 : x
  2. Step 2: Convert to fraction form
    885,722.51/1,328,794.67 = 286,683.77/x
  3. Step 3: Cross multiply
    885,722.51x = 1,328,794.67 × 286,683.77
  4. Step 4: Simplify right side
    885,722.51x = 380,943,869,590.20
  5. Step 5: Solve for x
    x = 380,943,869,590.20/885,722.51
  6. Step 6: Final answer
    x = 430,093.92

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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.