Home / 915,273.14-1,372,923.98-346,501.57

Finding the Fourth Proportional to 915,273.14, 1,372,923.98 and 346,501.57

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Solution

The fourth proportional to 915,273.14, 1,372,923.98 and 346,501.57 is: 519,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,273.14 : 1,372,923.98 = 346,501.57 : x
  2. Step 2: Convert to fraction form
    915,273.14/1,372,923.98 = 346,501.57/x
  3. Step 3: Cross multiply
    915,273.14x = 1,372,923.98 × 346,501.57
  4. Step 4: Simplify right side
    915,273.14x = 475,720,311,994.59
  5. Step 5: Solve for x
    x = 475,720,311,994.59/915,273.14
  6. Step 6: Final answer
    x = 519,757.76

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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.