Home / 858,433.49-1,288,914.25-480,095.47

Finding the Fourth Proportional to 858,433.49, 1,288,914.25 and 480,095.47

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Solution

The fourth proportional to 858,433.49, 1,288,914.25 and 480,095.47 is: 720,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,433.49 : 1,288,914.25 = 480,095.47 : x
  2. Step 2: Convert to fraction form
    858,433.49/1,288,914.25 = 480,095.47/x
  3. Step 3: Cross multiply
    858,433.49x = 1,288,914.25 × 480,095.47
  4. Step 4: Simplify right side
    858,433.49x = 618,801,892,643.45
  5. Step 5: Solve for x
    x = 618,801,892,643.45/858,433.49
  6. Step 6: Final answer
    x = 720,850.13

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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.