Home / 757,914.88-1,045,925.04-418,382.32

Finding the Fourth Proportional to 757,914.88, 1,045,925.04 and 418,382.32

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Solution

The fourth proportional to 757,914.88, 1,045,925.04 and 418,382.32 is: 577,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,914.88 : 1,045,925.04 = 418,382.32 : x
  2. Step 2: Convert to fraction form
    757,914.88/1,045,925.04 = 418,382.32/x
  3. Step 3: Cross multiply
    757,914.88x = 1,045,925.04 × 418,382.32
  4. Step 4: Simplify right side
    757,914.88x = 437,596,544,781.29
  5. Step 5: Solve for x
    x = 437,596,544,781.29/757,914.88
  6. Step 6: Final answer
    x = 577,368.98

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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.