Home / 985,381.08-1,477,612.14-511,939.32

Finding the Fourth Proportional to 985,381.08, 1,477,612.14 and 511,939.32

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Solution

The fourth proportional to 985,381.08, 1,477,612.14 and 511,939.32 is: 767,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,381.08 : 1,477,612.14 = 511,939.32 : x
  2. Step 2: Convert to fraction form
    985,381.08/1,477,612.14 = 511,939.32/x
  3. Step 3: Cross multiply
    985,381.08x = 1,477,612.14 × 511,939.32
  4. Step 4: Simplify right side
    985,381.08x = 756,447,754,175.35
  5. Step 5: Solve for x
    x = 756,447,754,175.35/985,381.08
  6. Step 6: Final answer
    x = 767,670.26

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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.