Home / 673,890.65-1,011,076.65-289,478.02

Finding the Fourth Proportional to 673,890.65, 1,011,076.65 and 289,478.02

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Solution

The fourth proportional to 673,890.65, 1,011,076.65 and 289,478.02 is: 434,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,890.65 : 1,011,076.65 = 289,478.02 : x
  2. Step 2: Convert to fraction form
    673,890.65/1,011,076.65 = 289,478.02/x
  3. Step 3: Cross multiply
    673,890.65x = 1,011,076.65 × 289,478.02
  4. Step 4: Simplify right side
    673,890.65x = 292,684,460,207.46
  5. Step 5: Solve for x
    x = 292,684,460,207.46/673,890.65
  6. Step 6: Final answer
    x = 434,320.41

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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.