Home / 848,335.20-1,170,685.08-508,912.80

Finding the Fourth Proportional to 848,335.20, 1,170,685.08 and 508,912.80

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Solution

The fourth proportional to 848,335.20, 1,170,685.08 and 508,912.80 is: 702,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,335.20 : 1,170,685.08 = 508,912.80 : x
  2. Step 2: Convert to fraction form
    848,335.20/1,170,685.08 = 508,912.80/x
  3. Step 3: Cross multiply
    848,335.20x = 1,170,685.08 × 508,912.80
  4. Step 4: Simplify right side
    848,335.20x = 595,776,621,981.02
  5. Step 5: Solve for x
    x = 595,776,621,981.02/848,335.20
  6. Step 6: Final answer
    x = 702,289.17

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1.5x scale

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.