Home / 802,514.52-1,107,465.95-434,990.17

Finding the Fourth Proportional to 802,514.52, 1,107,465.95 and 434,990.17

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Solution

The fourth proportional to 802,514.52, 1,107,465.95 and 434,990.17 is: 600,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,514.52 : 1,107,465.95 = 434,990.17 : x
  2. Step 2: Convert to fraction form
    802,514.52/1,107,465.95 = 434,990.17/x
  3. Step 3: Cross multiply
    802,514.52x = 1,107,465.95 × 434,990.17
  4. Step 4: Simplify right side
    802,514.52x = 481,736,801,859.71
  5. Step 5: Solve for x
    x = 481,736,801,859.71/802,514.52
  6. Step 6: Final answer
    x = 600,284.22

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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.