Home / 672,471.20-1,008,509.96-553,848.32

Finding the Fourth Proportional to 672,471.20, 1,008,509.96 and 553,848.32

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Solution

The fourth proportional to 672,471.20, 1,008,509.96 and 553,848.32 is: 830,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,471.20 : 1,008,509.96 = 553,848.32 : x
  2. Step 2: Convert to fraction form
    672,471.20/1,008,509.96 = 553,848.32/x
  3. Step 3: Cross multiply
    672,471.20x = 1,008,509.96 × 553,848.32
  4. Step 4: Simplify right side
    672,471.20x = 558,561,539,237.48
  5. Step 5: Solve for x
    x = 558,561,539,237.48/672,471.20
  6. Step 6: Final answer
    x = 830,610.36

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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.