Home / 578,039.60-867,059.40-538,673.60

Finding the Fourth Proportional to 578,039.60, 867,059.40 and 538,673.60

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Solution

The fourth proportional to 578,039.60, 867,059.40 and 538,673.60 is: 808,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,039.60 : 867,059.40 = 538,673.60 : x
  2. Step 2: Convert to fraction form
    578,039.60/867,059.40 = 538,673.60/x
  3. Step 3: Cross multiply
    578,039.60x = 867,059.40 × 538,673.60
  4. Step 4: Simplify right side
    578,039.60x = 467,062,008,411.84
  5. Step 5: Solve for x
    x = 467,062,008,411.84/578,039.60
  6. Step 6: Final answer
    x = 808,010.40

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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.