Home / 887,132.80-1,330,893.60-438,068.80

Finding the Fourth Proportional to 887,132.80, 1,330,893.60 and 438,068.80

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Solution

The fourth proportional to 887,132.80, 1,330,893.60 and 438,068.80 is: 657,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,132.80 : 1,330,893.60 = 438,068.80 : x
  2. Step 2: Convert to fraction form
    887,132.80/1,330,893.60 = 438,068.80/x
  3. Step 3: Cross multiply
    887,132.80x = 1,330,893.60 × 438,068.80
  4. Step 4: Simplify right side
    887,132.80x = 583,022,962,279.68
  5. Step 5: Solve for x
    x = 583,022,962,279.68/887,132.80
  6. Step 6: Final answer
    x = 657,199.20

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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.