Home / 740,059.13-1,021,281.62-400,527.38

Finding the Fourth Proportional to 740,059.13, 1,021,281.62 and 400,527.38

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Solution

The fourth proportional to 740,059.13, 1,021,281.62 and 400,527.38 is: 552,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,059.13 : 1,021,281.62 = 400,527.38 : x
  2. Step 2: Convert to fraction form
    740,059.13/1,021,281.62 = 400,527.38/x
  3. Step 3: Cross multiply
    740,059.13x = 1,021,281.62 × 400,527.38
  4. Step 4: Simplify right side
    740,059.13x = 409,051,252,051.32
  5. Step 5: Solve for x
    x = 409,051,252,051.32/740,059.13
  6. Step 6: Final answer
    x = 552,727.79

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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.