Home / 875,266.54-1,312,900.12-276,288.28

Finding the Fourth Proportional to 875,266.54, 1,312,900.12 and 276,288.28

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Solution

The fourth proportional to 875,266.54, 1,312,900.12 and 276,288.28 is: 414,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,266.54 : 1,312,900.12 = 276,288.28 : x
  2. Step 2: Convert to fraction form
    875,266.54/1,312,900.12 = 276,288.28/x
  3. Step 3: Cross multiply
    875,266.54x = 1,312,900.12 × 276,288.28
  4. Step 4: Simplify right side
    875,266.54x = 362,738,915,966.59
  5. Step 5: Solve for x
    x = 362,738,915,966.59/875,266.54
  6. Step 6: Final answer
    x = 414,432.52

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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.