Home / 790,851.15-1,186,031.58-285,346.62

Finding the Fourth Proportional to 790,851.15, 1,186,031.58 and 285,346.62

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Solution

The fourth proportional to 790,851.15, 1,186,031.58 and 285,346.62 is: 427,931.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,851.15 : 1,186,031.58 = 285,346.62 : x
  2. Step 2: Convert to fraction form
    790,851.15/1,186,031.58 = 285,346.62/x
  3. Step 3: Cross multiply
    790,851.15x = 1,186,031.58 × 285,346.62
  4. Step 4: Simplify right side
    790,851.15x = 338,430,102,566.26
  5. Step 5: Solve for x
    x = 338,430,102,566.26/790,851.15
  6. Step 6: Final answer
    x = 427,931.48

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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.