Home / 771,150.57-1,064,176.79-426,953.49

Finding the Fourth Proportional to 771,150.57, 1,064,176.79 and 426,953.49

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Solution

The fourth proportional to 771,150.57, 1,064,176.79 and 426,953.49 is: 589,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,150.57 : 1,064,176.79 = 426,953.49 : x
  2. Step 2: Convert to fraction form
    771,150.57/1,064,176.79 = 426,953.49/x
  3. Step 3: Cross multiply
    771,150.57x = 1,064,176.79 × 426,953.49
  4. Step 4: Simplify right side
    771,150.57x = 454,353,992,332.73
  5. Step 5: Solve for x
    x = 454,353,992,332.73/771,150.57
  6. Step 6: Final answer
    x = 589,189.73

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Double scale
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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.