Home / 911,279.36-1,367,211.52-437,999.04

Finding the Fourth Proportional to 911,279.36, 1,367,211.52 and 437,999.04

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Solution

The fourth proportional to 911,279.36, 1,367,211.52 and 437,999.04 is: 657,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,279.36 : 1,367,211.52 = 437,999.04 : x
  2. Step 2: Convert to fraction form
    911,279.36/1,367,211.52 = 437,999.04/x
  3. Step 3: Cross multiply
    911,279.36x = 1,367,211.52 × 437,999.04
  4. Step 4: Simplify right side
    911,279.36x = 598,837,333,236.94
  5. Step 5: Solve for x
    x = 598,837,333,236.94/911,279.36
  6. Step 6: Final answer
    x = 657,139.14

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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.