Home / 755,510.28-1,042,604.40-415,978.50

Finding the Fourth Proportional to 755,510.28, 1,042,604.40 and 415,978.50

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Solution

The fourth proportional to 755,510.28, 1,042,604.40 and 415,978.50 is: 574,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,510.28 : 1,042,604.40 = 415,978.50 : x
  2. Step 2: Convert to fraction form
    755,510.28/1,042,604.40 = 415,978.50/x
  3. Step 3: Cross multiply
    755,510.28x = 1,042,604.40 × 415,978.50
  4. Step 4: Simplify right side
    755,510.28x = 433,701,014,405.40
  5. Step 5: Solve for x
    x = 433,701,014,405.40/755,510.28
  6. Step 6: Final answer
    x = 574,050.45

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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.