Home / 786,044.49-1,179,315.96-280,594.63

Finding the Fourth Proportional to 786,044.49, 1,179,315.96 and 280,594.63

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Solution

The fourth proportional to 786,044.49, 1,179,315.96 and 280,594.63 is: 420,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,044.49 : 1,179,315.96 = 280,594.63 : x
  2. Step 2: Convert to fraction form
    786,044.49/1,179,315.96 = 280,594.63/x
  3. Step 3: Cross multiply
    786,044.49x = 1,179,315.96 × 280,594.63
  4. Step 4: Simplify right side
    786,044.49x = 330,909,725,871.21
  5. Step 5: Solve for x
    x = 330,909,725,871.21/786,044.49
  6. Step 6: Final answer
    x = 420,980.91

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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.