Home / 786,609.30-1,178,893.35-364,988.10

Finding the Fourth Proportional to 786,609.30, 1,178,893.35 and 364,988.10

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Solution

The fourth proportional to 786,609.30, 1,178,893.35 and 364,988.10 is: 547,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,609.30 : 1,178,893.35 = 364,988.10 : x
  2. Step 2: Convert to fraction form
    786,609.30/1,178,893.35 = 364,988.10/x
  3. Step 3: Cross multiply
    786,609.30x = 1,178,893.35 × 364,988.10
  4. Step 4: Simplify right side
    786,609.30x = 430,282,043,919.14
  5. Step 5: Solve for x
    x = 430,282,043,919.14/786,609.30
  6. Step 6: Final answer
    x = 547,008.59

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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.