Home / 497,831.80-744,779.40-432,003.10

Finding the Fourth Proportional to 497,831.80, 744,779.40 and 432,003.10

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Solution

The fourth proportional to 497,831.80, 744,779.40 and 432,003.10 is: 646,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,831.80 : 744,779.40 = 432,003.10 : x
  2. Step 2: Convert to fraction form
    497,831.80/744,779.40 = 432,003.10/x
  3. Step 3: Cross multiply
    497,831.80x = 744,779.40 × 432,003.10
  4. Step 4: Simplify right side
    497,831.80x = 321,747,009,616.14
  5. Step 5: Solve for x
    x = 321,747,009,616.14/497,831.80
  6. Step 6: Final answer
    x = 646,296.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.