Home / 630,870.13-945,599.80-331,382.35

Finding the Fourth Proportional to 630,870.13, 945,599.80 and 331,382.35

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Solution

The fourth proportional to 630,870.13, 945,599.80 and 331,382.35 is: 496,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,870.13 : 945,599.80 = 331,382.35 : x
  2. Step 2: Convert to fraction form
    630,870.13/945,599.80 = 331,382.35/x
  3. Step 3: Cross multiply
    630,870.13x = 945,599.80 × 331,382.35
  4. Step 4: Simplify right side
    630,870.13x = 313,355,083,883.53
  5. Step 5: Solve for x
    x = 313,355,083,883.53/630,870.13
  6. Step 6: Final answer
    x = 496,703.00

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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.