Home / 693,043.20-1,039,710.60-293,478.30

Finding the Fourth Proportional to 693,043.20, 1,039,710.60 and 293,478.30

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Solution

The fourth proportional to 693,043.20, 1,039,710.60 and 293,478.30 is: 440,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,043.20 : 1,039,710.60 = 293,478.30 : x
  2. Step 2: Convert to fraction form
    693,043.20/1,039,710.60 = 293,478.30/x
  3. Step 3: Cross multiply
    693,043.20x = 1,039,710.60 × 293,478.30
  4. Step 4: Simplify right side
    693,043.20x = 305,132,499,379.98
  5. Step 5: Solve for x
    x = 305,132,499,379.98/693,043.20
  6. Step 6: Final answer
    x = 440,279.19

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1.5x scale

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.