Home / 668,525.48-1,003,094.40-289,562.12

Finding the Fourth Proportional to 668,525.48, 1,003,094.40 and 289,562.12

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Solution

The fourth proportional to 668,525.48, 1,003,094.40 and 289,562.12 is: 434,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,525.48 : 1,003,094.40 = 289,562.12 : x
  2. Step 2: Convert to fraction form
    668,525.48/1,003,094.40 = 289,562.12/x
  3. Step 3: Cross multiply
    668,525.48x = 1,003,094.40 × 289,562.12
  4. Step 4: Simplify right side
    668,525.48x = 290,458,141,024.13
  5. Step 5: Solve for x
    x = 290,458,141,024.13/668,525.48
  6. Step 6: Final answer
    x = 434,475.80

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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.