Home / 814,259.07-1,221,000.35-364,983.66

Finding the Fourth Proportional to 814,259.07, 1,221,000.35 and 364,983.66

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Solution

The fourth proportional to 814,259.07, 1,221,000.35 and 364,983.66 is: 547,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,259.07 : 1,221,000.35 = 364,983.66 : x
  2. Step 2: Convert to fraction form
    814,259.07/1,221,000.35 = 364,983.66/x
  3. Step 3: Cross multiply
    814,259.07x = 1,221,000.35 × 364,983.66
  4. Step 4: Simplify right side
    814,259.07x = 445,645,174,779.36
  5. Step 5: Solve for x
    x = 445,645,174,779.36/814,259.07
  6. Step 6: Final answer
    x = 547,301.46

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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.