Home / 980,834.10-1,353,590.91-551,112.90

Finding the Fourth Proportional to 980,834.10, 1,353,590.91 and 551,112.90

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Solution

The fourth proportional to 980,834.10, 1,353,590.91 and 551,112.90 is: 760,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,834.10 : 1,353,590.91 = 551,112.90 : x
  2. Step 2: Convert to fraction form
    980,834.10/1,353,590.91 = 551,112.90/x
  3. Step 3: Cross multiply
    980,834.10x = 1,353,590.91 × 551,112.90
  4. Step 4: Simplify right side
    980,834.10x = 745,981,411,823.74
  5. Step 5: Solve for x
    x = 745,981,411,823.74/980,834.10
  6. Step 6: Final answer
    x = 760,558.19

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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.