Home / 507,999.09-761,465.21-170,922.72

Finding the Fourth Proportional to 507,999.09, 761,465.21 and 170,922.72

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Solution

The fourth proportional to 507,999.09, 761,465.21 and 170,922.72 is: 256,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,999.09 : 761,465.21 = 170,922.72 : x
  2. Step 2: Convert to fraction form
    507,999.09/761,465.21 = 170,922.72/x
  3. Step 3: Cross multiply
    507,999.09x = 761,465.21 × 170,922.72
  4. Step 4: Simplify right side
    507,999.09x = 130,151,706,879.45
  5. Step 5: Solve for x
    x = 130,151,706,879.45/507,999.09
  6. Step 6: Final answer
    x = 256,204.60

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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.