Home / 549,784.51-758,252.77-386,979.95

Finding the Fourth Proportional to 549,784.51, 758,252.77 and 386,979.95

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Solution

The fourth proportional to 549,784.51, 758,252.77 and 386,979.95 is: 533,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,784.51 : 758,252.77 = 386,979.95 : x
  2. Step 2: Convert to fraction form
    549,784.51/758,252.77 = 386,979.95/x
  3. Step 3: Cross multiply
    549,784.51x = 758,252.77 × 386,979.95
  4. Step 4: Simplify right side
    549,784.51x = 293,428,619,950.14
  5. Step 5: Solve for x
    x = 293,428,619,950.14/549,784.51
  6. Step 6: Final answer
    x = 533,715.69

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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.