Home / 691,894.44-1,037,967.12-312,993.66

Finding the Fourth Proportional to 691,894.44, 1,037,967.12 and 312,993.66

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Solution

The fourth proportional to 691,894.44, 1,037,967.12 and 312,993.66 is: 469,547.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,894.44 : 1,037,967.12 = 312,993.66 : x
  2. Step 2: Convert to fraction form
    691,894.44/1,037,967.12 = 312,993.66/x
  3. Step 3: Cross multiply
    691,894.44x = 1,037,967.12 × 312,993.66
  4. Step 4: Simplify right side
    691,894.44x = 324,877,127,848.46
  5. Step 5: Solve for x
    x = 324,877,127,848.46/691,894.44
  6. Step 6: Final answer
    x = 469,547.24

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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.