Home / 704,266.40-1,056,399.60-438,845.60

Finding the Fourth Proportional to 704,266.40, 1,056,399.60 and 438,845.60

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Solution

The fourth proportional to 704,266.40, 1,056,399.60 and 438,845.60 is: 658,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,266.40 : 1,056,399.60 = 438,845.60 : x
  2. Step 2: Convert to fraction form
    704,266.40/1,056,399.60 = 438,845.60/x
  3. Step 3: Cross multiply
    704,266.40x = 1,056,399.60 × 438,845.60
  4. Step 4: Simplify right side
    704,266.40x = 463,596,316,301.76
  5. Step 5: Solve for x
    x = 463,596,316,301.76/704,266.40
  6. Step 6: Final answer
    x = 658,268.40

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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.