Home / 899,005.48-1,240,623.78-496,597.48

Finding the Fourth Proportional to 899,005.48, 1,240,623.78 and 496,597.48

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Solution

The fourth proportional to 899,005.48, 1,240,623.78 and 496,597.48 is: 685,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,005.48 : 1,240,623.78 = 496,597.48 : x
  2. Step 2: Convert to fraction form
    899,005.48/1,240,623.78 = 496,597.48/x
  3. Step 3: Cross multiply
    899,005.48x = 1,240,623.78 × 496,597.48
  4. Step 4: Simplify right side
    899,005.48x = 616,090,642,776.07
  5. Step 5: Solve for x
    x = 616,090,642,776.07/899,005.48
  6. Step 6: Final answer
    x = 685,302.43

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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.