Home / 817,135.39-1,225,708.53-284,666.50

Finding the Fourth Proportional to 817,135.39, 1,225,708.53 and 284,666.50

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Solution

The fourth proportional to 817,135.39, 1,225,708.53 and 284,666.50 is: 427,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,135.39 : 1,225,708.53 = 284,666.50 : x
  2. Step 2: Convert to fraction form
    817,135.39/1,225,708.53 = 284,666.50/x
  3. Step 3: Cross multiply
    817,135.39x = 1,225,708.53 × 284,666.50
  4. Step 4: Simplify right side
    817,135.39x = 348,918,157,255.25
  5. Step 5: Solve for x
    x = 348,918,157,255.25/817,135.39
  6. Step 6: Final answer
    x = 427,001.65

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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.