Home / 539,913.71-745,066.67-298,191.08

Finding the Fourth Proportional to 539,913.71, 745,066.67 and 298,191.08

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Solution

The fourth proportional to 539,913.71, 745,066.67 and 298,191.08 is: 411,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,913.71 : 745,066.67 = 298,191.08 : x
  2. Step 2: Convert to fraction form
    539,913.71/745,066.67 = 298,191.08/x
  3. Step 3: Cross multiply
    539,913.71x = 745,066.67 × 298,191.08
  4. Step 4: Simplify right side
    539,913.71x = 222,172,229,783.02
  5. Step 5: Solve for x
    x = 222,172,229,783.02/539,913.71
  6. Step 6: Final answer
    x = 411,495.81

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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.