Home / 879,295.40-1,319,288.70-346,725.80

Finding the Fourth Proportional to 879,295.40, 1,319,288.70 and 346,725.80

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Solution

The fourth proportional to 879,295.40, 1,319,288.70 and 346,725.80 is: 520,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,295.40 : 1,319,288.70 = 346,725.80 : x
  2. Step 2: Convert to fraction form
    879,295.40/1,319,288.70 = 346,725.80/x
  3. Step 3: Cross multiply
    879,295.40x = 1,319,288.70 × 346,725.80
  4. Step 4: Simplify right side
    879,295.40x = 457,431,429,938.46
  5. Step 5: Solve for x
    x = 457,431,429,938.46/879,295.40
  6. Step 6: Final answer
    x = 520,224.98

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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.