Home / 790,534.30-1,185,556.74-285,030.19

Finding the Fourth Proportional to 790,534.30, 1,185,556.74 and 285,030.19

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Solution

The fourth proportional to 790,534.30, 1,185,556.74 and 285,030.19 is: 427,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,534.30 : 1,185,556.74 = 285,030.19 : x
  2. Step 2: Convert to fraction form
    790,534.30/1,185,556.74 = 285,030.19/x
  3. Step 3: Cross multiply
    790,534.30x = 1,185,556.74 × 285,030.19
  4. Step 4: Simplify right side
    790,534.30x = 337,919,462,857.98
  5. Step 5: Solve for x
    x = 337,919,462,857.98/790,534.30
  6. Step 6: Final answer
    x = 427,457.05

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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.