Home / 911,555.10-1,366,496.73-350,166.78

Finding the Fourth Proportional to 911,555.10, 1,366,496.73 and 350,166.78

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Solution

The fourth proportional to 911,555.10, 1,366,496.73 and 350,166.78 is: 524,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,555.10 : 1,366,496.73 = 350,166.78 : x
  2. Step 2: Convert to fraction form
    911,555.10/1,366,496.73 = 350,166.78/x
  3. Step 3: Cross multiply
    911,555.10x = 1,366,496.73 × 350,166.78
  4. Step 4: Simplify right side
    911,555.10x = 478,501,759,824.63
  5. Step 5: Solve for x
    x = 478,501,759,824.63/911,555.10
  6. Step 6: Final answer
    x = 524,929.06

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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.