Home / 926,138.80-1,388,430.60-482,906.80

Finding the Fourth Proportional to 926,138.80, 1,388,430.60 and 482,906.80

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Solution

The fourth proportional to 926,138.80, 1,388,430.60 and 482,906.80 is: 723,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,138.80 : 1,388,430.60 = 482,906.80 : x
  2. Step 2: Convert to fraction form
    926,138.80/1,388,430.60 = 482,906.80/x
  3. Step 3: Cross multiply
    926,138.80x = 1,388,430.60 × 482,906.80
  4. Step 4: Simplify right side
    926,138.80x = 670,482,578,068.08
  5. Step 5: Solve for x
    x = 670,482,578,068.08/926,138.80
  6. Step 6: Final answer
    x = 723,954.74

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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.