Home / 686,335.63-1,028,055.13-550,665.17

Finding the Fourth Proportional to 686,335.63, 1,028,055.13 and 550,665.17

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Solution

The fourth proportional to 686,335.63, 1,028,055.13 and 550,665.17 is: 824,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,335.63 : 1,028,055.13 = 550,665.17 : x
  2. Step 2: Convert to fraction form
    686,335.63/1,028,055.13 = 550,665.17/x
  3. Step 3: Cross multiply
    686,335.63x = 1,028,055.13 × 550,665.17
  4. Step 4: Simplify right side
    686,335.63x = 566,114,152,930.82
  5. Step 5: Solve for x
    x = 566,114,152,930.82/686,335.63
  6. Step 6: Final answer
    x = 824,835.73

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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.