Home / 760,015.85-1,139,379.89-333,228.23

Finding the Fourth Proportional to 760,015.85, 1,139,379.89 and 333,228.23

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Solution

The fourth proportional to 760,015.85, 1,139,379.89 and 333,228.23 is: 499,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,015.85 : 1,139,379.89 = 333,228.23 : x
  2. Step 2: Convert to fraction form
    760,015.85/1,139,379.89 = 333,228.23/x
  3. Step 3: Cross multiply
    760,015.85x = 1,139,379.89 × 333,228.23
  4. Step 4: Simplify right side
    760,015.85x = 379,673,539,178.47
  5. Step 5: Solve for x
    x = 379,673,539,178.47/760,015.85
  6. Step 6: Final answer
    x = 499,560.03

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1.5x scale

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.