Home / 698,644.60-1,048,427.70-255,412.60

Finding the Fourth Proportional to 698,644.60, 1,048,427.70 and 255,412.60

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Solution

The fourth proportional to 698,644.60, 1,048,427.70 and 255,412.60 is: 383,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,644.60 : 1,048,427.70 = 255,412.60 : x
  2. Step 2: Convert to fraction form
    698,644.60/1,048,427.70 = 255,412.60/x
  3. Step 3: Cross multiply
    698,644.60x = 1,048,427.70 × 255,412.60
  4. Step 4: Simplify right side
    698,644.60x = 267,781,644,769.02
  5. Step 5: Solve for x
    x = 267,781,644,769.02/698,644.60
  6. Step 6: Final answer
    x = 383,287.36

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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.