Home / 727,263.02-1,090,136.21-406,945.28

Finding the Fourth Proportional to 727,263.02, 1,090,136.21 and 406,945.28

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Solution

The fourth proportional to 727,263.02, 1,090,136.21 and 406,945.28 is: 609,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,263.02 : 1,090,136.21 = 406,945.28 : x
  2. Step 2: Convert to fraction form
    727,263.02/1,090,136.21 = 406,945.28/x
  3. Step 3: Cross multiply
    727,263.02x = 1,090,136.21 × 406,945.28
  4. Step 4: Simplify right side
    727,263.02x = 443,625,785,907.20
  5. Step 5: Solve for x
    x = 443,625,785,907.20/727,263.02
  6. Step 6: Final answer
    x = 609,993.60

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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.