Home / 848,283.40-1,271,987.70-315,530.20

Finding the Fourth Proportional to 848,283.40, 1,271,987.70 and 315,530.20

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Solution

The fourth proportional to 848,283.40, 1,271,987.70 and 315,530.20 is: 473,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,283.40 : 1,271,987.70 = 315,530.20 : x
  2. Step 2: Convert to fraction form
    848,283.40/1,271,987.70 = 315,530.20/x
  3. Step 3: Cross multiply
    848,283.40x = 1,271,987.70 × 315,530.20
  4. Step 4: Simplify right side
    848,283.40x = 401,350,533,378.54
  5. Step 5: Solve for x
    x = 401,350,533,378.54/848,283.40
  6. Step 6: Final answer
    x = 473,132.60

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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.