Home / 718,412.70-1,077,424.65-212,972.70

Finding the Fourth Proportional to 718,412.70, 1,077,424.65 and 212,972.70

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Solution

The fourth proportional to 718,412.70, 1,077,424.65 and 212,972.70 is: 319,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,412.70 : 1,077,424.65 = 212,972.70 : x
  2. Step 2: Convert to fraction form
    718,412.70/1,077,424.65 = 212,972.70/x
  3. Step 3: Cross multiply
    718,412.70x = 1,077,424.65 × 212,972.70
  4. Step 4: Simplify right side
    718,412.70x = 229,462,036,757.06
  5. Step 5: Solve for x
    x = 229,462,036,757.06/718,412.70
  6. Step 6: Final answer
    x = 319,401.42

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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.