Home / 730,813.02-1,095,271.48-325,428.39

Finding the Fourth Proportional to 730,813.02, 1,095,271.48 and 325,428.39

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Solution

The fourth proportional to 730,813.02, 1,095,271.48 and 325,428.39 is: 487,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,813.02 : 1,095,271.48 = 325,428.39 : x
  2. Step 2: Convert to fraction form
    730,813.02/1,095,271.48 = 325,428.39/x
  3. Step 3: Cross multiply
    730,813.02x = 1,095,271.48 × 325,428.39
  4. Step 4: Simplify right side
    730,813.02x = 356,432,436,921.29
  5. Step 5: Solve for x
    x = 356,432,436,921.29/730,813.02
  6. Step 6: Final answer
    x = 487,720.42

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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.