Home / 907,339.95-1,361,447.33-640,525.95

Finding the Fourth Proportional to 907,339.95, 1,361,447.33 and 640,525.95

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Solution

The fourth proportional to 907,339.95, 1,361,447.33 and 640,525.95 is: 961,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,339.95 : 1,361,447.33 = 640,525.95 : x
  2. Step 2: Convert to fraction form
    907,339.95/1,361,447.33 = 640,525.95/x
  3. Step 3: Cross multiply
    907,339.95x = 1,361,447.33 × 640,525.95
  4. Step 4: Simplify right side
    907,339.95x = 872,042,341,220.58
  5. Step 5: Solve for x
    x = 872,042,341,220.58/907,339.95
  6. Step 6: Final answer
    x = 961,097.70

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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.