Home / 776,763.72-1,071,934.56-437,239.80

Finding the Fourth Proportional to 776,763.72, 1,071,934.56 and 437,239.80

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Solution

The fourth proportional to 776,763.72, 1,071,934.56 and 437,239.80 is: 603,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,763.72 : 1,071,934.56 = 437,239.80 : x
  2. Step 2: Convert to fraction form
    776,763.72/1,071,934.56 = 437,239.80/x
  3. Step 3: Cross multiply
    776,763.72x = 1,071,934.56 × 437,239.80
  4. Step 4: Simplify right side
    776,763.72x = 468,692,452,627.49
  5. Step 5: Solve for x
    x = 468,692,452,627.49/776,763.72
  6. Step 6: Final answer
    x = 603,391.28

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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.