Home / 525,332.60-788,582.10-325,878.20

Finding the Fourth Proportional to 525,332.60, 788,582.10 and 325,878.20

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Solution

The fourth proportional to 525,332.60, 788,582.10 and 325,878.20 is: 489,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,332.60 : 788,582.10 = 325,878.20 : x
  2. Step 2: Convert to fraction form
    525,332.60/788,582.10 = 325,878.20/x
  3. Step 3: Cross multiply
    525,332.60x = 788,582.10 × 325,878.20
  4. Step 4: Simplify right side
    525,332.60x = 256,981,715,300.22
  5. Step 5: Solve for x
    x = 256,981,715,300.22/525,332.60
  6. Step 6: Final answer
    x = 489,179.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.