Home / 692,922.79-1,039,386.59-213,147.35

Finding the Fourth Proportional to 692,922.79, 1,039,386.59 and 213,147.35

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Solution

The fourth proportional to 692,922.79, 1,039,386.59 and 213,147.35 is: 319,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,922.79 : 1,039,386.59 = 213,147.35 : x
  2. Step 2: Convert to fraction form
    692,922.79/1,039,386.59 = 213,147.35/x
  3. Step 3: Cross multiply
    692,922.79x = 1,039,386.59 × 213,147.35
  4. Step 4: Simplify right side
    692,922.79x = 221,542,497,284.04
  5. Step 5: Solve for x
    x = 221,542,497,284.04/692,922.79
  6. Step 6: Final answer
    x = 319,721.76

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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.