Home / 757,775.80-1,045,739.28-418,244.32

Finding the Fourth Proportional to 757,775.80, 1,045,739.28 and 418,244.32

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Solution

The fourth proportional to 757,775.80, 1,045,739.28 and 418,244.32 is: 577,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,775.80 : 1,045,739.28 = 418,244.32 : x
  2. Step 2: Convert to fraction form
    757,775.80/1,045,739.28 = 418,244.32/x
  3. Step 3: Cross multiply
    757,775.80x = 1,045,739.28 × 418,244.32
  4. Step 4: Simplify right side
    757,775.80x = 437,374,514,060.89
  5. Step 5: Solve for x
    x = 437,374,514,060.89/757,775.80
  6. Step 6: Final answer
    x = 577,181.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.