Home / 876,488.13-1,209,529.08-494,550.45

Finding the Fourth Proportional to 876,488.13, 1,209,529.08 and 494,550.45

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Solution

The fourth proportional to 876,488.13, 1,209,529.08 and 494,550.45 is: 682,465.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,488.13 : 1,209,529.08 = 494,550.45 : x
  2. Step 2: Convert to fraction form
    876,488.13/1,209,529.08 = 494,550.45/x
  3. Step 3: Cross multiply
    876,488.13x = 1,209,529.08 × 494,550.45
  4. Step 4: Simplify right side
    876,488.13x = 598,173,150,802.09
  5. Step 5: Solve for x
    x = 598,173,150,802.09/876,488.13
  6. Step 6: Final answer
    x = 682,465.77

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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.