Home / 673,850.09-1,011,015.71-289,437.45

Finding the Fourth Proportional to 673,850.09, 1,011,015.71 and 289,437.45

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Solution

The fourth proportional to 673,850.09, 1,011,015.71 and 289,437.45 is: 434,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,850.09 : 1,011,015.71 = 289,437.45 : x
  2. Step 2: Convert to fraction form
    673,850.09/1,011,015.71 = 289,437.45/x
  3. Step 3: Cross multiply
    673,850.09x = 1,011,015.71 × 289,437.45
  4. Step 4: Simplify right side
    673,850.09x = 292,625,807,565.15
  5. Step 5: Solve for x
    x = 292,625,807,565.15/673,850.09
  6. Step 6: Final answer
    x = 434,259.51

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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.