Home / 771,080.52-1,063,964.58-484,397.64

Finding the Fourth Proportional to 771,080.52, 1,063,964.58 and 484,397.64

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Solution

The fourth proportional to 771,080.52, 1,063,964.58 and 484,397.64 is: 668,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,080.52 : 1,063,964.58 = 484,397.64 : x
  2. Step 2: Convert to fraction form
    771,080.52/1,063,964.58 = 484,397.64/x
  3. Step 3: Cross multiply
    771,080.52x = 1,063,964.58 × 484,397.64
  4. Step 4: Simplify right side
    771,080.52x = 515,381,931,595.59
  5. Step 5: Solve for x
    x = 515,381,931,595.59/771,080.52
  6. Step 6: Final answer
    x = 668,389.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.