Home / 757,739.24-1,045,678.02-418,205.06

Finding the Fourth Proportional to 757,739.24, 1,045,678.02 and 418,205.06

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Solution

The fourth proportional to 757,739.24, 1,045,678.02 and 418,205.06 is: 577,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,739.24 : 1,045,678.02 = 418,205.06 : x
  2. Step 2: Convert to fraction form
    757,739.24/1,045,678.02 = 418,205.06/x
  3. Step 3: Cross multiply
    757,739.24x = 1,045,678.02 × 418,205.06
  4. Step 4: Simplify right side
    757,739.24x = 437,307,840,140.71
  5. Step 5: Solve for x
    x = 437,307,840,140.71/757,739.24
  6. Step 6: Final answer
    x = 577,121.81

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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.