Home / 740,995.59-1,022,009.67-637,805.40

Finding the Fourth Proportional to 740,995.59, 1,022,009.67 and 637,805.40

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Solution

The fourth proportional to 740,995.59, 1,022,009.67 and 637,805.40 is: 879,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,995.59 : 1,022,009.67 = 637,805.40 : x
  2. Step 2: Convert to fraction form
    740,995.59/1,022,009.67 = 637,805.40/x
  3. Step 3: Cross multiply
    740,995.59x = 1,022,009.67 × 637,805.40
  4. Step 4: Simplify right side
    740,995.59x = 651,843,286,378.22
  5. Step 5: Solve for x
    x = 651,843,286,378.22/740,995.59
  6. Step 6: Final answer
    x = 879,685.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.