Home / 899,004.12-1,240,610.10-491,095.49

Finding the Fourth Proportional to 899,004.12, 1,240,610.10 and 491,095.49

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Solution

The fourth proportional to 899,004.12, 1,240,610.10 and 491,095.49 is: 677,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,004.12 : 1,240,610.10 = 491,095.49 : x
  2. Step 2: Convert to fraction form
    899,004.12/1,240,610.10 = 491,095.49/x
  3. Step 3: Cross multiply
    899,004.12x = 1,240,610.10 × 491,095.49
  4. Step 4: Simplify right side
    899,004.12x = 609,258,018,755.40
  5. Step 5: Solve for x
    x = 609,258,018,755.40/899,004.12
  6. Step 6: Final answer
    x = 677,703.26

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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.