Home / 893,628.55-1,233,215.65-485,731.35

Finding the Fourth Proportional to 893,628.55, 1,233,215.65 and 485,731.35

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Solution

The fourth proportional to 893,628.55, 1,233,215.65 and 485,731.35 is: 670,313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,628.55 : 1,233,215.65 = 485,731.35 : x
  2. Step 2: Convert to fraction form
    893,628.55/1,233,215.65 = 485,731.35/x
  3. Step 3: Cross multiply
    893,628.55x = 1,233,215.65 × 485,731.35
  4. Step 4: Simplify right side
    893,628.55x = 599,011,502,515.63
  5. Step 5: Solve for x
    x = 599,011,502,515.63/893,628.55
  6. Step 6: Final answer
    x = 670,313.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.