Home / 777,518.10-1,072,985.70-433,344.42

Finding the Fourth Proportional to 777,518.10, 1,072,985.70 and 433,344.42

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Solution

The fourth proportional to 777,518.10, 1,072,985.70 and 433,344.42 is: 598,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,518.10 : 1,072,985.70 = 433,344.42 : x
  2. Step 2: Convert to fraction form
    777,518.10/1,072,985.70 = 433,344.42/x
  3. Step 3: Cross multiply
    777,518.10x = 1,072,985.70 × 433,344.42
  4. Step 4: Simplify right side
    777,518.10x = 464,972,365,834.79
  5. Step 5: Solve for x
    x = 464,972,365,834.79/777,518.10
  6. Step 6: Final answer
    x = 598,021.28

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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.