Home / 529,760.07-731,048.74-288,042.84

Finding the Fourth Proportional to 529,760.07, 731,048.74 and 288,042.84

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Solution

The fourth proportional to 529,760.07, 731,048.74 and 288,042.84 is: 397,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,760.07 : 731,048.74 = 288,042.84 : x
  2. Step 2: Convert to fraction form
    529,760.07/731,048.74 = 288,042.84/x
  3. Step 3: Cross multiply
    529,760.07x = 731,048.74 × 288,042.84
  4. Step 4: Simplify right side
    529,760.07x = 210,573,355,248.02
  5. Step 5: Solve for x
    x = 210,573,355,248.02/529,760.07
  6. Step 6: Final answer
    x = 397,488.16

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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.