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Finding the Fourth Proportional to 639,852.48, 883,167.48 and 367,950.24

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Solution

The fourth proportional to 639,852.48, 883,167.48 and 367,950.24 is: 507,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,852.48 : 883,167.48 = 367,950.24 : x
  2. Step 2: Convert to fraction form
    639,852.48/883,167.48 = 367,950.24/x
  3. Step 3: Cross multiply
    639,852.48x = 883,167.48 × 367,950.24
  4. Step 4: Simplify right side
    639,852.48x = 324,961,686,226.20
  5. Step 5: Solve for x
    x = 324,961,686,226.20/639,852.48
  6. Step 6: Final answer
    x = 507,869.70

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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.