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Finding the Fourth Proportional to 671,008.51, 925,991.75 and 365,085.02

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Solution

The fourth proportional to 671,008.51, 925,991.75 and 365,085.02 is: 503,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,008.51 : 925,991.75 = 365,085.02 : x
  2. Step 2: Convert to fraction form
    671,008.51/925,991.75 = 365,085.02/x
  3. Step 3: Cross multiply
    671,008.51x = 925,991.75 × 365,085.02
  4. Step 4: Simplify right side
    671,008.51x = 338,065,717,742.67
  5. Step 5: Solve for x
    x = 338,065,717,742.67/671,008.51
  6. Step 6: Final answer
    x = 503,817.34

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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.