Home / 885,445.51-1,328,338.92-286,555.27

Finding the Fourth Proportional to 885,445.51, 1,328,338.92 and 286,555.27

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Solution

The fourth proportional to 885,445.51, 1,328,338.92 and 286,555.27 is: 429,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,445.51 : 1,328,338.92 = 286,555.27 : x
  2. Step 2: Convert to fraction form
    885,445.51/1,328,338.92 = 286,555.27/x
  3. Step 3: Cross multiply
    885,445.51x = 1,328,338.92 × 286,555.27
  4. Step 4: Simplify right side
    885,445.51x = 380,642,517,872.11
  5. Step 5: Solve for x
    x = 380,642,517,872.11/885,445.51
  6. Step 6: Final answer
    x = 429,888.13

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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.