Home / 888,978.07-1,333,331.76-289,938.27

Finding the Fourth Proportional to 888,978.07, 1,333,331.76 and 289,938.27

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Solution

The fourth proportional to 888,978.07, 1,333,331.76 and 289,938.27 is: 434,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,978.07 : 1,333,331.76 = 289,938.27 : x
  2. Step 2: Convert to fraction form
    888,978.07/1,333,331.76 = 289,938.27/x
  3. Step 3: Cross multiply
    888,978.07x = 1,333,331.76 × 289,938.27
  4. Step 4: Simplify right side
    888,978.07x = 386,583,903,830.46
  5. Step 5: Solve for x
    x = 386,583,903,830.46/888,978.07
  6. Step 6: Final answer
    x = 434,863.26

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1.5x scale

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.