Home / 670,904.98-1,006,357.29-459,903.22

Finding the Fourth Proportional to 670,904.98, 1,006,357.29 and 459,903.22

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Solution

The fourth proportional to 670,904.98, 1,006,357.29 and 459,903.22 is: 689,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,904.98 : 1,006,357.29 = 459,903.22 : x
  2. Step 2: Convert to fraction form
    670,904.98/1,006,357.29 = 459,903.22/x
  3. Step 3: Cross multiply
    670,904.98x = 1,006,357.29 × 459,903.22
  4. Step 4: Simplify right side
    670,904.98x = 462,826,958,141.47
  5. Step 5: Solve for x
    x = 462,826,958,141.47/670,904.98
  6. Step 6: Final answer
    x = 689,854.71

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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.