Home / 851,573.40-1,275,914.13-513,904.52

Finding the Fourth Proportional to 851,573.40, 1,275,914.13 and 513,904.52

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Solution

The fourth proportional to 851,573.40, 1,275,914.13 and 513,904.52 is: 769,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,573.40 : 1,275,914.13 = 513,904.52 : x
  2. Step 2: Convert to fraction form
    851,573.40/1,275,914.13 = 513,904.52/x
  3. Step 3: Cross multiply
    851,573.40x = 1,275,914.13 × 513,904.52
  4. Step 4: Simplify right side
    851,573.40x = 655,698,038,538.87
  5. Step 5: Solve for x
    x = 655,698,038,538.87/851,573.40
  6. Step 6: Final answer
    x = 769,984.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.