Home / 875,284.55-1,312,926.83-276,666.12

Finding the Fourth Proportional to 875,284.55, 1,312,926.83 and 276,666.12

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Solution

The fourth proportional to 875,284.55, 1,312,926.83 and 276,666.12 is: 414,999.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,284.55 : 1,312,926.83 = 276,666.12 : x
  2. Step 2: Convert to fraction form
    875,284.55/1,312,926.83 = 276,666.12/x
  3. Step 3: Cross multiply
    875,284.55x = 1,312,926.83 × 276,666.12
  4. Step 4: Simplify right side
    875,284.55x = 363,242,370,516.67
  5. Step 5: Solve for x
    x = 363,242,370,516.67/875,284.55
  6. Step 6: Final answer
    x = 414,999.18

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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.