Home / 857,272.30-1,286,122.32-605,045.52

Finding the Fourth Proportional to 857,272.30, 1,286,122.32 and 605,045.52

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Solution

The fourth proportional to 857,272.30, 1,286,122.32 and 605,045.52 is: 907,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,272.30 : 1,286,122.32 = 605,045.52 : x
  2. Step 2: Convert to fraction form
    857,272.30/1,286,122.32 = 605,045.52/x
  3. Step 3: Cross multiply
    857,272.30x = 1,286,122.32 × 605,045.52
  4. Step 4: Simplify right side
    857,272.30x = 778,162,547,888.01
  5. Step 5: Solve for x
    x = 778,162,547,888.01/857,272.30
  6. Step 6: Final answer
    x = 907,719.23

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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.