Home / 870,107.41-1,200,730.12-482,900.34

Finding the Fourth Proportional to 870,107.41, 1,200,730.12 and 482,900.34

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Solution

The fourth proportional to 870,107.41, 1,200,730.12 and 482,900.34 is: 666,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,107.41 : 1,200,730.12 = 482,900.34 : x
  2. Step 2: Convert to fraction form
    870,107.41/1,200,730.12 = 482,900.34/x
  3. Step 3: Cross multiply
    870,107.41x = 1,200,730.12 × 482,900.34
  4. Step 4: Simplify right side
    870,107.41x = 579,832,983,196.24
  5. Step 5: Solve for x
    x = 579,832,983,196.24/870,107.41
  6. Step 6: Final answer
    x = 666,392.42

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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.