Home / 876,103.32-1,208,794.05-513,332.28

Finding the Fourth Proportional to 876,103.32, 1,208,794.05 and 513,332.28

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Solution

The fourth proportional to 876,103.32, 1,208,794.05 and 513,332.28 is: 708,264.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,103.32 : 1,208,794.05 = 513,332.28 : x
  2. Step 2: Convert to fraction form
    876,103.32/1,208,794.05 = 513,332.28/x
  3. Step 3: Cross multiply
    876,103.32x = 1,208,794.05 × 513,332.28
  4. Step 4: Simplify right side
    876,103.32x = 620,513,005,736.93
  5. Step 5: Solve for x
    x = 620,513,005,736.93/876,103.32
  6. Step 6: Final answer
    x = 708,264.64

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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.