Home / 470,741.06-705,845.80-430,571.60

Finding the Fourth Proportional to 470,741.06, 705,845.80 and 430,571.60

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Solution

The fourth proportional to 470,741.06, 705,845.80 and 430,571.60 is: 645,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,741.06 : 705,845.80 = 430,571.60 : x
  2. Step 2: Convert to fraction form
    470,741.06/705,845.80 = 430,571.60/x
  3. Step 3: Cross multiply
    470,741.06x = 705,845.80 × 430,571.60
  4. Step 4: Simplify right side
    470,741.06x = 303,917,155,459.28
  5. Step 5: Solve for x
    x = 303,917,155,459.28/470,741.06
  6. Step 6: Final answer
    x = 645,614.29

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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.