Home / 841,535.78-1,262,314.84-280,570.46

Finding the Fourth Proportional to 841,535.78, 1,262,314.84 and 280,570.46

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Solution

The fourth proportional to 841,535.78, 1,262,314.84 and 280,570.46 is: 420,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,535.78 : 1,262,314.84 = 280,570.46 : x
  2. Step 2: Convert to fraction form
    841,535.78/1,262,314.84 = 280,570.46/x
  3. Step 3: Cross multiply
    841,535.78x = 1,262,314.84 × 280,570.46
  4. Step 4: Simplify right side
    841,535.78x = 354,168,255,323.63
  5. Step 5: Solve for x
    x = 354,168,255,323.63/841,535.78
  6. Step 6: Final answer
    x = 420,859.41

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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.