Home / 716,263.80-1,074,278.93-210,706.56

Finding the Fourth Proportional to 716,263.80, 1,074,278.93 and 210,706.56

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Solution

The fourth proportional to 716,263.80, 1,074,278.93 and 210,706.56 is: 316,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,263.80 : 1,074,278.93 = 210,706.56 : x
  2. Step 2: Convert to fraction form
    716,263.80/1,074,278.93 = 210,706.56/x
  3. Step 3: Cross multiply
    716,263.80x = 1,074,278.93 × 210,706.56
  4. Step 4: Simplify right side
    716,263.80x = 226,357,616,767.25
  5. Step 5: Solve for x
    x = 226,357,616,767.25/716,263.80
  6. Step 6: Final answer
    x = 316,025.49

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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.