Home / 767,629.60-1,151,433.60-346,904.80

Finding the Fourth Proportional to 767,629.60, 1,151,433.60 and 346,904.80

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Solution

The fourth proportional to 767,629.60, 1,151,433.60 and 346,904.80 is: 520,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,629.60 : 1,151,433.60 = 346,904.80 : x
  2. Step 2: Convert to fraction form
    767,629.60/1,151,433.60 = 346,904.80/x
  3. Step 3: Cross multiply
    767,629.60x = 1,151,433.60 × 346,904.80
  4. Step 4: Simplify right side
    767,629.60x = 399,437,842,721.28
  5. Step 5: Solve for x
    x = 399,437,842,721.28/767,629.60
  6. Step 6: Final answer
    x = 520,352.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.