Home / 829,370.88-1,142,933.76-602,657.28

Finding the Fourth Proportional to 829,370.88, 1,142,933.76 and 602,657.28

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Solution

The fourth proportional to 829,370.88, 1,142,933.76 and 602,657.28 is: 830,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,370.88 : 1,142,933.76 = 602,657.28 : x
  2. Step 2: Convert to fraction form
    829,370.88/1,142,933.76 = 602,657.28/x
  3. Step 3: Cross multiply
    829,370.88x = 1,142,933.76 × 602,657.28
  4. Step 4: Simplify right side
    829,370.88x = 688,797,351,021.77
  5. Step 5: Solve for x
    x = 688,797,351,021.77/829,370.88
  6. Step 6: Final answer
    x = 830,505.83

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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.