Home / 718,259.28-1,077,706.28-376,621.12

Finding the Fourth Proportional to 718,259.28, 1,077,706.28 and 376,621.12

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Solution

The fourth proportional to 718,259.28, 1,077,706.28 and 376,621.12 is: 565,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,259.28 : 1,077,706.28 = 376,621.12 : x
  2. Step 2: Convert to fraction form
    718,259.28/1,077,706.28 = 376,621.12/x
  3. Step 3: Cross multiply
    718,259.28x = 1,077,706.28 × 376,621.12
  4. Step 4: Simplify right side
    718,259.28x = 405,886,946,204.63
  5. Step 5: Solve for x
    x = 405,886,946,204.63/718,259.28
  6. Step 6: Final answer
    x = 565,098.09

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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.