Home / 740,527.56-1,021,932.90-400,995.84

Finding the Fourth Proportional to 740,527.56, 1,021,932.90 and 400,995.84

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Solution

The fourth proportional to 740,527.56, 1,021,932.90 and 400,995.84 is: 553,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,527.56 : 1,021,932.90 = 400,995.84 : x
  2. Step 2: Convert to fraction form
    740,527.56/1,021,932.90 = 400,995.84/x
  3. Step 3: Cross multiply
    740,527.56x = 1,021,932.90 × 400,995.84
  4. Step 4: Simplify right side
    740,527.56x = 409,790,841,659.14
  5. Step 5: Solve for x
    x = 409,790,841,659.14/740,527.56
  6. Step 6: Final answer
    x = 553,376.89

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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.