Home / 861,746.94-1,292,620.40-262,702.91

Finding the Fourth Proportional to 861,746.94, 1,292,620.40 and 262,702.91

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Solution

The fourth proportional to 861,746.94, 1,292,620.40 and 262,702.91 is: 394,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,746.94 : 1,292,620.40 = 262,702.91 : x
  2. Step 2: Convert to fraction form
    861,746.94/1,292,620.40 = 262,702.91/x
  3. Step 3: Cross multiply
    861,746.94x = 1,292,620.40 × 262,702.91
  4. Step 4: Simplify right side
    861,746.94x = 339,575,140,605.36
  5. Step 5: Solve for x
    x = 339,575,140,605.36/861,746.94
  6. Step 6: Final answer
    x = 394,054.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.