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Finding the Fourth Proportional to 510,308.37, 764,587.76 and 360,280.17

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Solution

The fourth proportional to 510,308.37, 764,587.76 and 360,280.17 is: 539,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,308.37 : 764,587.76 = 360,280.17 : x
  2. Step 2: Convert to fraction form
    510,308.37/764,587.76 = 360,280.17/x
  3. Step 3: Cross multiply
    510,308.37x = 764,587.76 × 360,280.17
  4. Step 4: Simplify right side
    510,308.37x = 275,465,806,351.32
  5. Step 5: Solve for x
    x = 275,465,806,351.32/510,308.37
  6. Step 6: Final answer
    x = 539,802.64

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1.5x scale

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.