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Finding the Fourth Proportional to 702,100.86, 968,020.65 and 585,980.34

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Solution

The fourth proportional to 702,100.86, 968,020.65 and 585,980.34 is: 807,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,100.86 : 968,020.65 = 585,980.34 : x
  2. Step 2: Convert to fraction form
    702,100.86/968,020.65 = 585,980.34/x
  3. Step 3: Cross multiply
    702,100.86x = 968,020.65 × 585,980.34
  4. Step 4: Simplify right side
    702,100.86x = 567,241,069,614.02
  5. Step 5: Solve for x
    x = 567,241,069,614.02/702,100.86
  6. Step 6: Final answer
    x = 807,919.63

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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.