Home / 525,265.10-788,480.85-325,810.70

Finding the Fourth Proportional to 525,265.10, 788,480.85 and 325,810.70

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Solution

The fourth proportional to 525,265.10, 788,480.85 and 325,810.70 is: 489,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,265.10 : 788,480.85 = 325,810.70 : x
  2. Step 2: Convert to fraction form
    525,265.10/788,480.85 = 325,810.70/x
  3. Step 3: Cross multiply
    525,265.10x = 788,480.85 × 325,810.70
  4. Step 4: Simplify right side
    525,265.10x = 256,895,497,675.10
  5. Step 5: Solve for x
    x = 256,895,497,675.10/525,265.10
  6. Step 6: Final answer
    x = 489,077.80

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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.