Home / 478,869.03-660,869.01-264,008.75

Finding the Fourth Proportional to 478,869.03, 660,869.01 and 264,008.75

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Solution

The fourth proportional to 478,869.03, 660,869.01 and 264,008.75 is: 364,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,869.03 : 660,869.01 = 264,008.75 : x
  2. Step 2: Convert to fraction form
    478,869.03/660,869.01 = 264,008.75/x
  3. Step 3: Cross multiply
    478,869.03x = 660,869.01 × 264,008.75
  4. Step 4: Simplify right side
    478,869.03x = 174,475,197,939.49
  5. Step 5: Solve for x
    x = 174,475,197,939.49/478,869.03
  6. Step 6: Final answer
    x = 364,348.47

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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.