Home / 726,010.40-1,088,140.80-370,841.60

Finding the Fourth Proportional to 726,010.40, 1,088,140.80 and 370,841.60

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Solution

The fourth proportional to 726,010.40, 1,088,140.80 and 370,841.60 is: 555,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,010.40 : 1,088,140.80 = 370,841.60 : x
  2. Step 2: Convert to fraction form
    726,010.40/1,088,140.80 = 370,841.60/x
  3. Step 3: Cross multiply
    726,010.40x = 1,088,140.80 × 370,841.60
  4. Step 4: Simplify right side
    726,010.40x = 403,527,875,297.28
  5. Step 5: Solve for x
    x = 403,527,875,297.28/726,010.40
  6. Step 6: Final answer
    x = 555,815.56

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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.