Home / 711,564.13-982,002.05-409,855.33

Finding the Fourth Proportional to 711,564.13, 982,002.05 and 409,855.33

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Solution

The fourth proportional to 711,564.13, 982,002.05 and 409,855.33 is: 565,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,564.13 : 982,002.05 = 409,855.33 : x
  2. Step 2: Convert to fraction form
    711,564.13/982,002.05 = 409,855.33/x
  3. Step 3: Cross multiply
    711,564.13x = 982,002.05 × 409,855.33
  4. Step 4: Simplify right side
    711,564.13x = 402,478,774,263.43
  5. Step 5: Solve for x
    x = 402,478,774,263.43/711,564.13
  6. Step 6: Final answer
    x = 565,625.44

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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.