Home / 529,988.04-731,388.83-288,276.35

Finding the Fourth Proportional to 529,988.04, 731,388.83 and 288,276.35

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Solution

The fourth proportional to 529,988.04, 731,388.83 and 288,276.35 is: 397,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,988.04 : 731,388.83 = 288,276.35 : x
  2. Step 2: Convert to fraction form
    529,988.04/731,388.83 = 288,276.35/x
  3. Step 3: Cross multiply
    529,988.04x = 731,388.83 × 288,276.35
  4. Step 4: Simplify right side
    529,988.04x = 210,842,097,244.85
  5. Step 5: Solve for x
    x = 210,842,097,244.85/529,988.04
  6. Step 6: Final answer
    x = 397,824.26

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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.