Home / 529,985.73-731,373.24-288,263.10

Finding the Fourth Proportional to 529,985.73, 731,373.24 and 288,263.10

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Solution

The fourth proportional to 529,985.73, 731,373.24 and 288,263.10 is: 397,799.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,985.73 : 731,373.24 = 288,263.10 : x
  2. Step 2: Convert to fraction form
    529,985.73/731,373.24 = 288,263.10/x
  3. Step 3: Cross multiply
    529,985.73x = 731,373.24 × 288,263.10
  4. Step 4: Simplify right side
    529,985.73x = 210,827,917,419.44
  5. Step 5: Solve for x
    x = 210,827,917,419.44/529,985.73
  6. Step 6: Final answer
    x = 397,799.23

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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.