Home / 777,387.74-1,072,780.50-433,216.10

Finding the Fourth Proportional to 777,387.74, 1,072,780.50 and 433,216.10

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Solution

The fourth proportional to 777,387.74, 1,072,780.50 and 433,216.10 is: 597,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,387.74 : 1,072,780.50 = 433,216.10 : x
  2. Step 2: Convert to fraction form
    777,387.74/1,072,780.50 = 433,216.10/x
  3. Step 3: Cross multiply
    777,387.74x = 1,072,780.50 × 433,216.10
  4. Step 4: Simplify right side
    777,387.74x = 464,745,784,366.05
  5. Step 5: Solve for x
    x = 464,745,784,366.05/777,387.74
  6. Step 6: Final answer
    x = 597,830.09

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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.