Home / 528,835.65-792,087.08-318,106.05

Finding the Fourth Proportional to 528,835.65, 792,087.08 and 318,106.05

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Solution

The fourth proportional to 528,835.65, 792,087.08 and 318,106.05 is: 476,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,835.65 : 792,087.08 = 318,106.05 : x
  2. Step 2: Convert to fraction form
    528,835.65/792,087.08 = 318,106.05/x
  3. Step 3: Cross multiply
    528,835.65x = 792,087.08 × 318,106.05
  4. Step 4: Simplify right side
    528,835.65x = 251,967,690,684.30
  5. Step 5: Solve for x
    x = 251,967,690,684.30/528,835.65
  6. Step 6: Final answer
    x = 476,457.46

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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.