Home / 642,090.14-886,008.44-370,247.35

Finding the Fourth Proportional to 642,090.14, 886,008.44 and 370,247.35

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Solution

The fourth proportional to 642,090.14, 886,008.44 and 370,247.35 is: 510,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,090.14 : 886,008.44 = 370,247.35 : x
  2. Step 2: Convert to fraction form
    642,090.14/886,008.44 = 370,247.35/x
  3. Step 3: Cross multiply
    642,090.14x = 886,008.44 × 370,247.35
  4. Step 4: Simplify right side
    642,090.14x = 328,042,270,706.36
  5. Step 5: Solve for x
    x = 328,042,270,706.36/642,090.14
  6. Step 6: Final answer
    x = 510,897.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.