Home / 771,743.97-1,064,814.30-445,156.83

Finding the Fourth Proportional to 771,743.97, 1,064,814.30 and 445,156.83

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Solution

The fourth proportional to 771,743.97, 1,064,814.30 and 445,156.83 is: 614,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,743.97 : 1,064,814.30 = 445,156.83 : x
  2. Step 2: Convert to fraction form
    771,743.97/1,064,814.30 = 445,156.83/x
  3. Step 3: Cross multiply
    771,743.97x = 1,064,814.30 × 445,156.83
  4. Step 4: Simplify right side
    771,743.97x = 474,009,358,326.67
  5. Step 5: Solve for x
    x = 474,009,358,326.67/771,743.97
  6. Step 6: Final answer
    x = 614,205.46

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1.5x scale

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.