Home / 907,897.20-1,361,845.80-459,999.60

Finding the Fourth Proportional to 907,897.20, 1,361,845.80 and 459,999.60

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Solution

The fourth proportional to 907,897.20, 1,361,845.80 and 459,999.60 is: 689,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,897.20 : 1,361,845.80 = 459,999.60 : x
  2. Step 2: Convert to fraction form
    907,897.20/1,361,845.80 = 459,999.60/x
  3. Step 3: Cross multiply
    907,897.20x = 1,361,845.80 × 459,999.60
  4. Step 4: Simplify right side
    907,897.20x = 626,448,523,261.68
  5. Step 5: Solve for x
    x = 626,448,523,261.68/907,897.20
  6. Step 6: Final answer
    x = 689,999.40

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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.