Home / 750,923.37-1,036,348.56-428,681.88

Finding the Fourth Proportional to 750,923.37, 1,036,348.56 and 428,681.88

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Solution

The fourth proportional to 750,923.37, 1,036,348.56 and 428,681.88 is: 591,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,923.37 : 1,036,348.56 = 428,681.88 : x
  2. Step 2: Convert to fraction form
    750,923.37/1,036,348.56 = 428,681.88/x
  3. Step 3: Cross multiply
    750,923.37x = 1,036,348.56 × 428,681.88
  4. Step 4: Simplify right side
    750,923.37x = 444,263,849,036.09
  5. Step 5: Solve for x
    x = 444,263,849,036.09/750,923.37
  6. Step 6: Final answer
    x = 591,623.42

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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.