Home / 528,072.20-792,497.10-212,755.40

Finding the Fourth Proportional to 528,072.20, 792,497.10 and 212,755.40

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Solution

The fourth proportional to 528,072.20, 792,497.10 and 212,755.40 is: 319,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,072.20 : 792,497.10 = 212,755.40 : x
  2. Step 2: Convert to fraction form
    528,072.20/792,497.10 = 212,755.40/x
  3. Step 3: Cross multiply
    528,072.20x = 792,497.10 × 212,755.40
  4. Step 4: Simplify right side
    528,072.20x = 168,608,037,509.34
  5. Step 5: Solve for x
    x = 168,608,037,509.34/528,072.20
  6. Step 6: Final answer
    x = 319,289.74

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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.