Home / 848,214.40-1,272,320.80-217,127.20

Finding the Fourth Proportional to 848,214.40, 1,272,320.80 and 217,127.20

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Solution

The fourth proportional to 848,214.40, 1,272,320.80 and 217,127.20 is: 325,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,214.40 : 1,272,320.80 = 217,127.20 : x
  2. Step 2: Convert to fraction form
    848,214.40/1,272,320.80 = 217,127.20/x
  3. Step 3: Cross multiply
    848,214.40x = 1,272,320.80 × 217,127.20
  4. Step 4: Simplify right side
    848,214.40x = 276,255,452,805.76
  5. Step 5: Solve for x
    x = 276,255,452,805.76/848,214.40
  6. Step 6: Final answer
    x = 325,690.60

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Similar ratio
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1.5x scale

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.