Home / 673,607.04-929,174.40-492,097.20

Finding the Fourth Proportional to 673,607.04, 929,174.40 and 492,097.20

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Solution

The fourth proportional to 673,607.04, 929,174.40 and 492,097.20 is: 678,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,607.04 : 929,174.40 = 492,097.20 : x
  2. Step 2: Convert to fraction form
    673,607.04/929,174.40 = 492,097.20/x
  3. Step 3: Cross multiply
    673,607.04x = 929,174.40 × 492,097.20
  4. Step 4: Simplify right side
    673,607.04x = 457,244,120,551.68
  5. Step 5: Solve for x
    x = 457,244,120,551.68/673,607.04
  6. Step 6: Final answer
    x = 678,799.50

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Double scale
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1.5x scale

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.