Home / 957,336.61-1,321,101.77-521,767.72

Finding the Fourth Proportional to 957,336.61, 1,321,101.77 and 521,767.72

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Solution

The fourth proportional to 957,336.61, 1,321,101.77 and 521,767.72 is: 720,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,336.61 : 1,321,101.77 = 521,767.72 : x
  2. Step 2: Convert to fraction form
    957,336.61/1,321,101.77 = 521,767.72/x
  3. Step 3: Cross multiply
    957,336.61x = 1,321,101.77 × 521,767.72
  4. Step 4: Simplify right side
    957,336.61x = 689,308,249,206.52
  5. Step 5: Solve for x
    x = 689,308,249,206.52/957,336.61
  6. Step 6: Final answer
    x = 720,027.05

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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.