Home / 840,893.48-1,260,590.29-308,290.40

Finding the Fourth Proportional to 840,893.48, 1,260,590.29 and 308,290.40

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Solution

The fourth proportional to 840,893.48, 1,260,590.29 and 308,290.40 is: 462,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,893.48 : 1,260,590.29 = 308,290.40 : x
  2. Step 2: Convert to fraction form
    840,893.48/1,260,590.29 = 308,290.40/x
  3. Step 3: Cross multiply
    840,893.48x = 1,260,590.29 × 308,290.40
  4. Step 4: Simplify right side
    840,893.48x = 388,627,877,666.54
  5. Step 5: Solve for x
    x = 388,627,877,666.54/840,893.48
  6. Step 6: Final answer
    x = 462,160.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.