Home / 514,222.28-709,667.70-378,874.52

Finding the Fourth Proportional to 514,222.28, 709,667.70 and 378,874.52

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Solution

The fourth proportional to 514,222.28, 709,667.70 and 378,874.52 is: 522,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,222.28 : 709,667.70 = 378,874.52 : x
  2. Step 2: Convert to fraction form
    514,222.28/709,667.70 = 378,874.52/x
  3. Step 3: Cross multiply
    514,222.28x = 709,667.70 × 378,874.52
  4. Step 4: Simplify right side
    514,222.28x = 268,875,009,197.00
  5. Step 5: Solve for x
    x = 268,875,009,197.00/514,222.28
  6. Step 6: Final answer
    x = 522,877.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.