Home / 879,802.02-1,319,725.96-280,762.37

Finding the Fourth Proportional to 879,802.02, 1,319,725.96 and 280,762.37

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Solution

The fourth proportional to 879,802.02, 1,319,725.96 and 280,762.37 is: 421,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,802.02 : 1,319,725.96 = 280,762.37 : x
  2. Step 2: Convert to fraction form
    879,802.02/1,319,725.96 = 280,762.37/x
  3. Step 3: Cross multiply
    879,802.02x = 1,319,725.96 × 280,762.37
  4. Step 4: Simplify right side
    879,802.02x = 370,529,388,280.13
  5. Step 5: Solve for x
    x = 370,529,388,280.13/879,802.02
  6. Step 6: Final answer
    x = 421,150.87

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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.