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Finding the Fourth Proportional to 702,934.03, 970,047.19 and 380,644.12

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Solution

The fourth proportional to 702,934.03, 970,047.19 and 380,644.12 is: 525,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,934.03 : 970,047.19 = 380,644.12 : x
  2. Step 2: Convert to fraction form
    702,934.03/970,047.19 = 380,644.12/x
  3. Step 3: Cross multiply
    702,934.03x = 970,047.19 × 380,644.12
  4. Step 4: Simplify right side
    702,934.03x = 369,242,758,996.02
  5. Step 5: Solve for x
    x = 369,242,758,996.02/702,934.03
  6. Step 6: Final answer
    x = 525,287.93

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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.