Home / 528,426.12-793,000.62-212,907.72

Finding the Fourth Proportional to 528,426.12, 793,000.62 and 212,907.72

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Solution

The fourth proportional to 528,426.12, 793,000.62 and 212,907.72 is: 319,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,426.12 : 793,000.62 = 212,907.72 : x
  2. Step 2: Convert to fraction form
    528,426.12/793,000.62 = 212,907.72/x
  3. Step 3: Cross multiply
    528,426.12x = 793,000.62 × 212,907.72
  4. Step 4: Simplify right side
    528,426.12x = 168,835,953,962.79
  5. Step 5: Solve for x
    x = 168,835,953,962.79/528,426.12
  6. Step 6: Final answer
    x = 319,507.21

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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.