Home / 927,654.67-1,390,510.83-388,220.02

Finding the Fourth Proportional to 927,654.67, 1,390,510.83 and 388,220.02

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Solution

The fourth proportional to 927,654.67, 1,390,510.83 and 388,220.02 is: 581,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,654.67 : 1,390,510.83 = 388,220.02 : x
  2. Step 2: Convert to fraction form
    927,654.67/1,390,510.83 = 388,220.02/x
  3. Step 3: Cross multiply
    927,654.67x = 1,390,510.83 × 388,220.02
  4. Step 4: Simplify right side
    927,654.67x = 539,824,142,232.82
  5. Step 5: Solve for x
    x = 539,824,142,232.82/927,654.67
  6. Step 6: Final answer
    x = 581,923.60

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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.