Home / 899,013.48-1,240,634.82-496,605.48

Finding the Fourth Proportional to 899,013.48, 1,240,634.82 and 496,605.48

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Solution

The fourth proportional to 899,013.48, 1,240,634.82 and 496,605.48 is: 685,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,013.48 : 1,240,634.82 = 496,605.48 : x
  2. Step 2: Convert to fraction form
    899,013.48/1,240,634.82 = 496,605.48/x
  3. Step 3: Cross multiply
    899,013.48x = 1,240,634.82 × 496,605.48
  4. Step 4: Simplify right side
    899,013.48x = 616,106,050,290.81
  5. Step 5: Solve for x
    x = 616,106,050,290.81/899,013.48
  6. Step 6: Final answer
    x = 685,313.47

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1.5x scale

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.