Home / 692,966.22-1,039,486.59-219,688.49

Finding the Fourth Proportional to 692,966.22, 1,039,486.59 and 219,688.49

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Solution

The fourth proportional to 692,966.22, 1,039,486.59 and 219,688.49 is: 329,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,966.22 : 1,039,486.59 = 219,688.49 : x
  2. Step 2: Convert to fraction form
    692,966.22/1,039,486.59 = 219,688.49/x
  3. Step 3: Cross multiply
    692,966.22x = 1,039,486.59 × 219,688.49
  4. Step 4: Simplify right side
    692,966.22x = 228,363,233,036.47
  5. Step 5: Solve for x
    x = 228,363,233,036.47/692,966.22
  6. Step 6: Final answer
    x = 329,544.54

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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.