Home / 887,640.35-1,330,804.42-488,731.55

Finding the Fourth Proportional to 887,640.35, 1,330,804.42 and 488,731.55

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Solution

The fourth proportional to 887,640.35, 1,330,804.42 and 488,731.55 is: 732,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,640.35 : 1,330,804.42 = 488,731.55 : x
  2. Step 2: Convert to fraction form
    887,640.35/1,330,804.42 = 488,731.55/x
  3. Step 3: Cross multiply
    887,640.35x = 1,330,804.42 × 488,731.55
  4. Step 4: Simplify right side
    887,640.35x = 650,406,106,933.45
  5. Step 5: Solve for x
    x = 650,406,106,933.45/887,640.35
  6. Step 6: Final answer
    x = 732,736.08

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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.