Home / 891,834.69-1,337,956.39-386,480.50

Finding the Fourth Proportional to 891,834.69, 1,337,956.39 and 386,480.50

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Solution

The fourth proportional to 891,834.69, 1,337,956.39 and 386,480.50 is: 579,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,834.69 : 1,337,956.39 = 386,480.50 : x
  2. Step 2: Convert to fraction form
    891,834.69/1,337,956.39 = 386,480.50/x
  3. Step 3: Cross multiply
    891,834.69x = 1,337,956.39 × 386,480.50
  4. Step 4: Simplify right side
    891,834.69x = 517,094,054,585.40
  5. Step 5: Solve for x
    x = 517,094,054,585.40/891,834.69
  6. Step 6: Final answer
    x = 579,809.31

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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.