Home / 777,508.05-1,072,971.83-433,334.40

Finding the Fourth Proportional to 777,508.05, 1,072,971.83 and 433,334.40

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Solution

The fourth proportional to 777,508.05, 1,072,971.83 and 433,334.40 is: 598,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,508.05 : 1,072,971.83 = 433,334.40 : x
  2. Step 2: Convert to fraction form
    777,508.05/1,072,971.83 = 433,334.40/x
  3. Step 3: Cross multiply
    777,508.05x = 1,072,971.83 × 433,334.40
  4. Step 4: Simplify right side
    777,508.05x = 464,955,604,169.95
  5. Step 5: Solve for x
    x = 464,955,604,169.95/777,508.05
  6. Step 6: Final answer
    x = 598,007.45

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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.