Home / 516,678.03-713,003.58-298,870.65

Finding the Fourth Proportional to 516,678.03, 713,003.58 and 298,870.65

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Solution

The fourth proportional to 516,678.03, 713,003.58 and 298,870.65 is: 412,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,678.03 : 713,003.58 = 298,870.65 : x
  2. Step 2: Convert to fraction form
    516,678.03/713,003.58 = 298,870.65/x
  3. Step 3: Cross multiply
    516,678.03x = 713,003.58 × 298,870.65
  4. Step 4: Simplify right side
    516,678.03x = 213,095,843,406.93
  5. Step 5: Solve for x
    x = 213,095,843,406.93/516,678.03
  6. Step 6: Final answer
    x = 412,434.50

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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.