Home / 899,080.61-1,240,731.23-496,672.61

Finding the Fourth Proportional to 899,080.61, 1,240,731.23 and 496,672.61

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Solution

The fourth proportional to 899,080.61, 1,240,731.23 and 496,672.61 is: 685,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,080.61 : 1,240,731.23 = 496,672.61 : x
  2. Step 2: Convert to fraction form
    899,080.61/1,240,731.23 = 496,672.61/x
  3. Step 3: Cross multiply
    899,080.61x = 1,240,731.23 × 496,672.61
  4. Step 4: Simplify right side
    899,080.61x = 616,237,209,625.59
  5. Step 5: Solve for x
    x = 616,237,209,625.59/899,080.61
  6. Step 6: Final answer
    x = 685,408.19

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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.