Home / 515,030.20-770,795.70-452,044.60

Finding the Fourth Proportional to 515,030.20, 770,795.70 and 452,044.60

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Solution

The fourth proportional to 515,030.20, 770,795.70 and 452,044.60 is: 676,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,030.20 : 770,795.70 = 452,044.60 : x
  2. Step 2: Convert to fraction form
    515,030.20/770,795.70 = 452,044.60/x
  3. Step 3: Cross multiply
    515,030.20x = 770,795.70 × 452,044.60
  4. Step 4: Simplify right side
    515,030.20x = 348,434,033,888.22
  5. Step 5: Solve for x
    x = 348,434,033,888.22/515,030.20
  6. Step 6: Final answer
    x = 676,531.27

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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.