Home / 824,077.75-1,137,200.70-456,539.75

Finding the Fourth Proportional to 824,077.75, 1,137,200.70 and 456,539.75

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Solution

The fourth proportional to 824,077.75, 1,137,200.70 and 456,539.75 is: 630,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,077.75 : 1,137,200.70 = 456,539.75 : x
  2. Step 2: Convert to fraction form
    824,077.75/1,137,200.70 = 456,539.75/x
  3. Step 3: Cross multiply
    824,077.75x = 1,137,200.70 × 456,539.75
  4. Step 4: Simplify right side
    824,077.75x = 519,177,327,324.03
  5. Step 5: Solve for x
    x = 519,177,327,324.03/824,077.75
  6. Step 6: Final answer
    x = 630,010.13

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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.