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Finding the Fourth Proportional to 803,679.07, 1,205,855.97 and 500,326.93

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Solution

The fourth proportional to 803,679.07, 1,205,855.97 and 500,326.93 is: 750,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,679.07 : 1,205,855.97 = 500,326.93 : x
  2. Step 2: Convert to fraction form
    803,679.07/1,205,855.97 = 500,326.93/x
  3. Step 3: Cross multiply
    803,679.07x = 1,205,855.97 × 500,326.93
  4. Step 4: Simplify right side
    803,679.07x = 603,322,215,492.27
  5. Step 5: Solve for x
    x = 603,322,215,492.27/803,679.07
  6. Step 6: Final answer
    x = 750,700.42

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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.