Home / 675,212.98-931,818.16-384,868.36

Finding the Fourth Proportional to 675,212.98, 931,818.16 and 384,868.36

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Solution

The fourth proportional to 675,212.98, 931,818.16 and 384,868.36 is: 531,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,212.98 : 931,818.16 = 384,868.36 : x
  2. Step 2: Convert to fraction form
    675,212.98/931,818.16 = 384,868.36/x
  3. Step 3: Cross multiply
    675,212.98x = 931,818.16 × 384,868.36
  4. Step 4: Simplify right side
    675,212.98x = 358,627,327,057.42
  5. Step 5: Solve for x
    x = 358,627,327,057.42/675,212.98
  6. Step 6: Final answer
    x = 531,132.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.