Home / 878,302.85-1,317,554.51-338,537.58

Finding the Fourth Proportional to 878,302.85, 1,317,554.51 and 338,537.58

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Solution

The fourth proportional to 878,302.85, 1,317,554.51 and 338,537.58 is: 507,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,302.85 : 1,317,554.51 = 338,537.58 : x
  2. Step 2: Convert to fraction form
    878,302.85/1,317,554.51 = 338,537.58/x
  3. Step 3: Cross multiply
    878,302.85x = 1,317,554.51 × 338,537.58
  4. Step 4: Simplify right side
    878,302.85x = 446,041,708,699.97
  5. Step 5: Solve for x
    x = 446,041,708,699.97/878,302.85
  6. Step 6: Final answer
    x = 507,845.00

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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.