Home / 668,897.42-1,003,499.46-289,881.79

Finding the Fourth Proportional to 668,897.42, 1,003,499.46 and 289,881.79

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Solution

The fourth proportional to 668,897.42, 1,003,499.46 and 289,881.79 is: 434,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,897.42 : 1,003,499.46 = 289,881.79 : x
  2. Step 2: Convert to fraction form
    668,897.42/1,003,499.46 = 289,881.79/x
  3. Step 3: Cross multiply
    668,897.42x = 1,003,499.46 × 289,881.79
  4. Step 4: Simplify right side
    668,897.42x = 290,896,216,404.79
  5. Step 5: Solve for x
    x = 290,896,216,404.79/668,897.42
  6. Step 6: Final answer
    x = 434,889.13

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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.