Home / 942,855.04-1,299,629.37-636,835.42

Finding the Fourth Proportional to 942,855.04, 1,299,629.37 and 636,835.42

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Solution

The fourth proportional to 942,855.04, 1,299,629.37 and 636,835.42 is: 877,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,855.04 : 1,299,629.37 = 636,835.42 : x
  2. Step 2: Convert to fraction form
    942,855.04/1,299,629.37 = 636,835.42/x
  3. Step 3: Cross multiply
    942,855.04x = 1,299,629.37 × 636,835.42
  4. Step 4: Simplify right side
    942,855.04x = 827,650,015,688.29
  5. Step 5: Solve for x
    x = 827,650,015,688.29/942,855.04
  6. Step 6: Final answer
    x = 877,812.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.