Home / 757,849.80-1,045,841.40-418,318.32

Finding the Fourth Proportional to 757,849.80, 1,045,841.40 and 418,318.32

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Solution

The fourth proportional to 757,849.80, 1,045,841.40 and 418,318.32 is: 577,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,849.80 : 1,045,841.40 = 418,318.32 : x
  2. Step 2: Convert to fraction form
    757,849.80/1,045,841.40 = 418,318.32/x
  3. Step 3: Cross multiply
    757,849.80x = 1,045,841.40 × 418,318.32
  4. Step 4: Simplify right side
    757,849.80x = 437,494,617,434.45
  5. Step 5: Solve for x
    x = 437,494,617,434.45/757,849.80
  6. Step 6: Final answer
    x = 577,284.07

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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.