Home / 848,485.80-1,272,728.70-470,572.20

Finding the Fourth Proportional to 848,485.80, 1,272,728.70 and 470,572.20

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Solution

The fourth proportional to 848,485.80, 1,272,728.70 and 470,572.20 is: 705,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,485.80 : 1,272,728.70 = 470,572.20 : x
  2. Step 2: Convert to fraction form
    848,485.80/1,272,728.70 = 470,572.20/x
  3. Step 3: Cross multiply
    848,485.80x = 1,272,728.70 × 470,572.20
  4. Step 4: Simplify right side
    848,485.80x = 598,910,744,362.14
  5. Step 5: Solve for x
    x = 598,910,744,362.14/848,485.80
  6. Step 6: Final answer
    x = 705,858.30

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Double scale
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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.