Home / 761,890.62-1,143,026.19-537,688.94

Finding the Fourth Proportional to 761,890.62, 1,143,026.19 and 537,688.94

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Solution

The fourth proportional to 761,890.62, 1,143,026.19 and 537,688.94 is: 806,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,890.62 : 1,143,026.19 = 537,688.94 : x
  2. Step 2: Convert to fraction form
    761,890.62/1,143,026.19 = 537,688.94/x
  3. Step 3: Cross multiply
    761,890.62x = 1,143,026.19 × 537,688.94
  4. Step 4: Simplify right side
    761,890.62x = 614,592,534,778.21
  5. Step 5: Solve for x
    x = 614,592,534,778.21/761,890.62
  6. Step 6: Final answer
    x = 806,667.67

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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.