Home / 871,191.48-1,306,464.66-310,075.32

Finding the Fourth Proportional to 871,191.48, 1,306,464.66 and 310,075.32

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Solution

The fourth proportional to 871,191.48, 1,306,464.66 and 310,075.32 is: 464,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,191.48 : 1,306,464.66 = 310,075.32 : x
  2. Step 2: Convert to fraction form
    871,191.48/1,306,464.66 = 310,075.32/x
  3. Step 3: Cross multiply
    871,191.48x = 1,306,464.66 × 310,075.32
  4. Step 4: Simplify right side
    871,191.48x = 405,102,447,518.19
  5. Step 5: Solve for x
    x = 405,102,447,518.19/871,191.48
  6. Step 6: Final answer
    x = 464,998.17

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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.