Home / 673,507.37-1,009,724.62-388,875.05

Finding the Fourth Proportional to 673,507.37, 1,009,724.62 and 388,875.05

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Solution

The fourth proportional to 673,507.37, 1,009,724.62 and 388,875.05 is: 583,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,507.37 : 1,009,724.62 = 388,875.05 : x
  2. Step 2: Convert to fraction form
    673,507.37/1,009,724.62 = 388,875.05/x
  3. Step 3: Cross multiply
    673,507.37x = 1,009,724.62 × 388,875.05
  4. Step 4: Simplify right side
    673,507.37x = 392,656,713,423.38
  5. Step 5: Solve for x
    x = 392,656,713,423.38/673,507.37
  6. Step 6: Final answer
    x = 583,002.85

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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.