Home / 879,904.70-1,319,322.45-346,811.30

Finding the Fourth Proportional to 879,904.70, 1,319,322.45 and 346,811.30

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Solution

The fourth proportional to 879,904.70, 1,319,322.45 and 346,811.30 is: 520,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,904.70 : 1,319,322.45 = 346,811.30 : x
  2. Step 2: Convert to fraction form
    879,904.70/1,319,322.45 = 346,811.30/x
  3. Step 3: Cross multiply
    879,904.70x = 1,319,322.45 × 346,811.30
  4. Step 4: Simplify right side
    879,904.70x = 457,555,934,003.69
  5. Step 5: Solve for x
    x = 457,555,934,003.69/879,904.70
  6. Step 6: Final answer
    x = 520,006.24

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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.