Home / 740,031.20-1,110,046.80-629,806.40

Finding the Fourth Proportional to 740,031.20, 1,110,046.80 and 629,806.40

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Solution

The fourth proportional to 740,031.20, 1,110,046.80 and 629,806.40 is: 944,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,031.20 : 1,110,046.80 = 629,806.40 : x
  2. Step 2: Convert to fraction form
    740,031.20/1,110,046.80 = 629,806.40/x
  3. Step 3: Cross multiply
    740,031.20x = 1,110,046.80 × 629,806.40
  4. Step 4: Simplify right side
    740,031.20x = 699,114,578,939.52
  5. Step 5: Solve for x
    x = 699,114,578,939.52/740,031.20
  6. Step 6: Final answer
    x = 944,709.60

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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.