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Finding the Fourth Proportional to 648,632.68, 895,103.67 and 362,156.74

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Solution

The fourth proportional to 648,632.68, 895,103.67 and 362,156.74 is: 499,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,632.68 : 895,103.67 = 362,156.74 : x
  2. Step 2: Convert to fraction form
    648,632.68/895,103.67 = 362,156.74/x
  3. Step 3: Cross multiply
    648,632.68x = 895,103.67 × 362,156.74
  4. Step 4: Simplify right side
    648,632.68x = 324,167,827,089.24
  5. Step 5: Solve for x
    x = 324,167,827,089.24/648,632.68
  6. Step 6: Final answer
    x = 499,771.04

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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.