Home / 528,036.70-792,055.05-469,975.90

Finding the Fourth Proportional to 528,036.70, 792,055.05 and 469,975.90

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Solution

The fourth proportional to 528,036.70, 792,055.05 and 469,975.90 is: 704,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,036.70 : 792,055.05 = 469,975.90 : x
  2. Step 2: Convert to fraction form
    528,036.70/792,055.05 = 469,975.90/x
  3. Step 3: Cross multiply
    528,036.70x = 792,055.05 × 469,975.90
  4. Step 4: Simplify right side
    528,036.70x = 372,246,784,973.30
  5. Step 5: Solve for x
    x = 372,246,784,973.30/528,036.70
  6. Step 6: Final answer
    x = 704,963.85

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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.