Home / 786,562.12-1,085,539.01-480,817.47

Finding the Fourth Proportional to 786,562.12, 1,085,539.01 and 480,817.47

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Solution

The fourth proportional to 786,562.12, 1,085,539.01 and 480,817.47 is: 663,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,562.12 : 1,085,539.01 = 480,817.47 : x
  2. Step 2: Convert to fraction form
    786,562.12/1,085,539.01 = 480,817.47/x
  3. Step 3: Cross multiply
    786,562.12x = 1,085,539.01 × 480,817.47
  4. Step 4: Simplify right side
    786,562.12x = 521,946,120,374.51
  5. Step 5: Solve for x
    x = 521,946,120,374.51/786,562.12
  6. Step 6: Final answer
    x = 663,579.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.