Home / 859,097.60-1,288,646.40-228,075.20

Finding the Fourth Proportional to 859,097.60, 1,288,646.40 and 228,075.20

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Solution

The fourth proportional to 859,097.60, 1,288,646.40 and 228,075.20 is: 342,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,097.60 : 1,288,646.40 = 228,075.20 : x
  2. Step 2: Convert to fraction form
    859,097.60/1,288,646.40 = 228,075.20/x
  3. Step 3: Cross multiply
    859,097.60x = 1,288,646.40 × 228,075.20
  4. Step 4: Simplify right side
    859,097.60x = 293,908,285,409.28
  5. Step 5: Solve for x
    x = 293,908,285,409.28/859,097.60
  6. Step 6: Final answer
    x = 342,112.80

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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.