Home / 709,975.20-1,064,809.20-310,615.20

Finding the Fourth Proportional to 709,975.20, 1,064,809.20 and 310,615.20

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Solution

The fourth proportional to 709,975.20, 1,064,809.20 and 310,615.20 is: 465,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,975.20 : 1,064,809.20 = 310,615.20 : x
  2. Step 2: Convert to fraction form
    709,975.20/1,064,809.20 = 310,615.20/x
  3. Step 3: Cross multiply
    709,975.20x = 1,064,809.20 × 310,615.20
  4. Step 4: Simplify right side
    709,975.20x = 330,745,922,619.84
  5. Step 5: Solve for x
    x = 330,745,922,619.84/709,975.20
  6. Step 6: Final answer
    x = 465,855.60

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1.5x scale

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.