Home / 963,960.78-1,330,200.72-528,373.02

Finding the Fourth Proportional to 963,960.78, 1,330,200.72 and 528,373.02

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Solution

The fourth proportional to 963,960.78, 1,330,200.72 and 528,373.02 is: 729,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,960.78 : 1,330,200.72 = 528,373.02 : x
  2. Step 2: Convert to fraction form
    963,960.78/1,330,200.72 = 528,373.02/x
  3. Step 3: Cross multiply
    963,960.78x = 1,330,200.72 × 528,373.02
  4. Step 4: Simplify right side
    963,960.78x = 702,842,171,632.58
  5. Step 5: Solve for x
    x = 702,842,171,632.58/963,960.78
  6. Step 6: Final answer
    x = 729,119.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.