Home / 750,927.38-1,036,354.08-428,685.88

Finding the Fourth Proportional to 750,927.38, 1,036,354.08 and 428,685.88

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Solution

The fourth proportional to 750,927.38, 1,036,354.08 and 428,685.88 is: 591,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,927.38 : 1,036,354.08 = 428,685.88 : x
  2. Step 2: Convert to fraction form
    750,927.38/1,036,354.08 = 428,685.88/x
  3. Step 3: Cross multiply
    750,927.38x = 1,036,354.08 × 428,685.88
  4. Step 4: Simplify right side
    750,927.38x = 444,270,360,776.39
  5. Step 5: Solve for x
    x = 444,270,360,776.39/750,927.38
  6. Step 6: Final answer
    x = 591,628.93

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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.