Home / 910,675.56-1,366,031.88-312,324.51

Finding the Fourth Proportional to 910,675.56, 1,366,031.88 and 312,324.51

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Solution

The fourth proportional to 910,675.56, 1,366,031.88 and 312,324.51 is: 468,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,675.56 : 1,366,031.88 = 312,324.51 : x
  2. Step 2: Convert to fraction form
    910,675.56/1,366,031.88 = 312,324.51/x
  3. Step 3: Cross multiply
    910,675.56x = 1,366,031.88 × 312,324.51
  4. Step 4: Simplify right side
    910,675.56x = 426,645,237,565.38
  5. Step 5: Solve for x
    x = 426,645,237,565.38/910,675.56
  6. Step 6: Final answer
    x = 468,493.12

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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.