Home / 670,798.27-1,006,197.40-459,796.51

Finding the Fourth Proportional to 670,798.27, 1,006,197.40 and 459,796.51

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Solution

The fourth proportional to 670,798.27, 1,006,197.40 and 459,796.51 is: 689,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,798.27 : 1,006,197.40 = 459,796.51 : x
  2. Step 2: Convert to fraction form
    670,798.27/1,006,197.40 = 459,796.51/x
  3. Step 3: Cross multiply
    670,798.27x = 1,006,197.40 × 459,796.51
  4. Step 4: Simplify right side
    670,798.27x = 462,646,047,860.09
  5. Step 5: Solve for x
    x = 462,646,047,860.09/670,798.27
  6. Step 6: Final answer
    x = 689,694.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.