Home / 740,521.84-1,110,820.81-208,084.40

Finding the Fourth Proportional to 740,521.84, 1,110,820.81 and 208,084.40

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Solution

The fourth proportional to 740,521.84, 1,110,820.81 and 208,084.40 is: 312,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,521.84 : 1,110,820.81 = 208,084.40 : x
  2. Step 2: Convert to fraction form
    740,521.84/1,110,820.81 = 208,084.40/x
  3. Step 3: Cross multiply
    740,521.84x = 1,110,820.81 × 208,084.40
  4. Step 4: Simplify right side
    740,521.84x = 231,144,481,756.36
  5. Step 5: Solve for x
    x = 231,144,481,756.36/740,521.84
  6. Step 6: Final answer
    x = 312,137.29

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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.