Home / 872,511.42-1,308,783.53-273,459.32

Finding the Fourth Proportional to 872,511.42, 1,308,783.53 and 273,459.32

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Solution

The fourth proportional to 872,511.42, 1,308,783.53 and 273,459.32 is: 410,194.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,511.42 : 1,308,783.53 = 273,459.32 : x
  2. Step 2: Convert to fraction form
    872,511.42/1,308,783.53 = 273,459.32/x
  3. Step 3: Cross multiply
    872,511.42x = 1,308,783.53 × 273,459.32
  4. Step 4: Simplify right side
    872,511.42x = 357,899,054,141.00
  5. Step 5: Solve for x
    x = 357,899,054,141.00/872,511.42
  6. Step 6: Final answer
    x = 410,194.12

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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.