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Finding the Fourth Proportional to 508,817.04, 702,191.88 and 293,985.60

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Solution

The fourth proportional to 508,817.04, 702,191.88 and 293,985.60 is: 405,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,817.04 : 702,191.88 = 293,985.60 : x
  2. Step 2: Convert to fraction form
    508,817.04/702,191.88 = 293,985.60/x
  3. Step 3: Cross multiply
    508,817.04x = 702,191.88 × 293,985.60
  4. Step 4: Simplify right side
    508,817.04x = 206,434,301,156.93
  5. Step 5: Solve for x
    x = 206,434,301,156.93/508,817.04
  6. Step 6: Final answer
    x = 405,714.21

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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.