Home / 709,412.07-1,064,538.72-664,527.63

Finding the Fourth Proportional to 709,412.07, 1,064,538.72 and 664,527.63

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Solution

The fourth proportional to 709,412.07, 1,064,538.72 and 664,527.63 is: 997,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,412.07 : 1,064,538.72 = 664,527.63 : x
  2. Step 2: Convert to fraction form
    709,412.07/1,064,538.72 = 664,527.63/x
  3. Step 3: Cross multiply
    709,412.07x = 1,064,538.72 × 664,527.63
  4. Step 4: Simplify right side
    709,412.07x = 707,415,392,644.83
  5. Step 5: Solve for x
    x = 707,415,392,644.83/709,412.07
  6. Step 6: Final answer
    x = 997,185.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.