Home / 840,148.90-1,259,808.63-366,629.38

Finding the Fourth Proportional to 840,148.90, 1,259,808.63 and 366,629.38

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Solution

The fourth proportional to 840,148.90, 1,259,808.63 and 366,629.38 is: 549,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,148.90 : 1,259,808.63 = 366,629.38 : x
  2. Step 2: Convert to fraction form
    840,148.90/1,259,808.63 = 366,629.38/x
  3. Step 3: Cross multiply
    840,148.90x = 1,259,808.63 × 366,629.38
  4. Step 4: Simplify right side
    840,148.90x = 461,882,852,411.17
  5. Step 5: Solve for x
    x = 461,882,852,411.17/840,148.90
  6. Step 6: Final answer
    x = 549,763.09

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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.