Home / 479,572.40-661,810.02-264,712.58

Finding the Fourth Proportional to 479,572.40, 661,810.02 and 264,712.58

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Solution

The fourth proportional to 479,572.40, 661,810.02 and 264,712.58 is: 365,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,572.40 : 661,810.02 = 264,712.58 : x
  2. Step 2: Convert to fraction form
    479,572.40/661,810.02 = 264,712.58/x
  3. Step 3: Cross multiply
    479,572.40x = 661,810.02 × 264,712.58
  4. Step 4: Simplify right side
    479,572.40x = 175,189,437,864.05
  5. Step 5: Solve for x
    x = 175,189,437,864.05/479,572.40
  6. Step 6: Final answer
    x = 365,303.42

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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.