Home / 854,440.75-1,281,941.93-349,426.54

Finding the Fourth Proportional to 854,440.75, 1,281,941.93 and 349,426.54

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Solution

The fourth proportional to 854,440.75, 1,281,941.93 and 349,426.54 is: 524,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,440.75 : 1,281,941.93 = 349,426.54 : x
  2. Step 2: Convert to fraction form
    854,440.75/1,281,941.93 = 349,426.54/x
  3. Step 3: Cross multiply
    854,440.75x = 1,281,941.93 × 349,426.54
  4. Step 4: Simplify right side
    854,440.75x = 447,944,533,080.82
  5. Step 5: Solve for x
    x = 447,944,533,080.82/854,440.75
  6. Step 6: Final answer
    x = 524,254.65

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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.