Home / 748,839.20-1,033,583.80-426,740.40

Finding the Fourth Proportional to 748,839.20, 1,033,583.80 and 426,740.40

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Solution

The fourth proportional to 748,839.20, 1,033,583.80 and 426,740.40 is: 589,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,839.20 : 1,033,583.80 = 426,740.40 : x
  2. Step 2: Convert to fraction form
    748,839.20/1,033,583.80 = 426,740.40/x
  3. Step 3: Cross multiply
    748,839.20x = 1,033,583.80 × 426,740.40
  4. Step 4: Simplify right side
    748,839.20x = 441,071,964,245.52
  5. Step 5: Solve for x
    x = 441,071,964,245.52/748,839.20
  6. Step 6: Final answer
    x = 589,007.58

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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.