Home / 935,397.04-1,289,986.80-612,990.04

Finding the Fourth Proportional to 935,397.04, 1,289,986.80 and 612,990.04

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Solution

The fourth proportional to 935,397.04, 1,289,986.80 and 612,990.04 is: 845,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,397.04 : 1,289,986.80 = 612,990.04 : x
  2. Step 2: Convert to fraction form
    935,397.04/1,289,986.80 = 612,990.04/x
  3. Step 3: Cross multiply
    935,397.04x = 1,289,986.80 × 612,990.04
  4. Step 4: Simplify right side
    935,397.04x = 790,749,060,131.47
  5. Step 5: Solve for x
    x = 790,749,060,131.47/935,397.04
  6. Step 6: Final answer
    x = 845,361.94

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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.