Home / 875,359.60-1,313,039.40-284,383.60

Finding the Fourth Proportional to 875,359.60, 1,313,039.40 and 284,383.60

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Solution

The fourth proportional to 875,359.60, 1,313,039.40 and 284,383.60 is: 426,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,359.60 : 1,313,039.40 = 284,383.60 : x
  2. Step 2: Convert to fraction form
    875,359.60/1,313,039.40 = 284,383.60/x
  3. Step 3: Cross multiply
    875,359.60x = 1,313,039.40 × 284,383.60
  4. Step 4: Simplify right side
    875,359.60x = 373,406,871,513.84
  5. Step 5: Solve for x
    x = 373,406,871,513.84/875,359.60
  6. Step 6: Final answer
    x = 426,575.40

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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.