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Finding the Fourth Proportional to 510,457.47, 764,348.48 and 359,882.52

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Solution

The fourth proportional to 510,457.47, 764,348.48 and 359,882.52 is: 538,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,457.47 : 764,348.48 = 359,882.52 : x
  2. Step 2: Convert to fraction form
    510,457.47/764,348.48 = 359,882.52/x
  3. Step 3: Cross multiply
    510,457.47x = 764,348.48 × 359,882.52
  4. Step 4: Simplify right side
    510,457.47x = 275,075,657,140.57
  5. Step 5: Solve for x
    x = 275,075,657,140.57/510,457.47
  6. Step 6: Final answer
    x = 538,880.66

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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.