Home / 912,553.94-1,368,923.85-313,437.44

Finding the Fourth Proportional to 912,553.94, 1,368,923.85 and 313,437.44

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Solution

The fourth proportional to 912,553.94, 1,368,923.85 and 313,437.44 is: 470,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,553.94 : 1,368,923.85 = 313,437.44 : x
  2. Step 2: Convert to fraction form
    912,553.94/1,368,923.85 = 313,437.44/x
  3. Step 3: Cross multiply
    912,553.94x = 1,368,923.85 × 313,437.44
  4. Step 4: Simplify right side
    912,553.94x = 429,071,980,254.33
  5. Step 5: Solve for x
    x = 429,071,980,254.33/912,553.94
  6. Step 6: Final answer
    x = 470,188.08

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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.