Home / 829,902.95-1,145,254.77-467,331.15

Finding the Fourth Proportional to 829,902.95, 1,145,254.77 and 467,331.15

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Solution

The fourth proportional to 829,902.95, 1,145,254.77 and 467,331.15 is: 644,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,902.95 : 1,145,254.77 = 467,331.15 : x
  2. Step 2: Convert to fraction form
    829,902.95/1,145,254.77 = 467,331.15/x
  3. Step 3: Cross multiply
    829,902.95x = 1,145,254.77 × 467,331.15
  4. Step 4: Simplify right side
    829,902.95x = 535,213,228,707.09
  5. Step 5: Solve for x
    x = 535,213,228,707.09/829,902.95
  6. Step 6: Final answer
    x = 644,910.63

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1.5x scale

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.