Home / 857,514.52-1,286,325.51-288,848.89

Finding the Fourth Proportional to 857,514.52, 1,286,325.51 and 288,848.89

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Solution

The fourth proportional to 857,514.52, 1,286,325.51 and 288,848.89 is: 433,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,514.52 : 1,286,325.51 = 288,848.89 : x
  2. Step 2: Convert to fraction form
    857,514.52/1,286,325.51 = 288,848.89/x
  3. Step 3: Cross multiply
    857,514.52x = 1,286,325.51 × 288,848.89
  4. Step 4: Simplify right side
    857,514.52x = 371,553,695,742.18
  5. Step 5: Solve for x
    x = 371,553,695,742.18/857,514.52
  6. Step 6: Final answer
    x = 433,291.43

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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.