Home / 602,666.48-831,619.20-360,942.88

Finding the Fourth Proportional to 602,666.48, 831,619.20 and 360,942.88

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Solution

The fourth proportional to 602,666.48, 831,619.20 and 360,942.88 is: 498,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,666.48 : 831,619.20 = 360,942.88 : x
  2. Step 2: Convert to fraction form
    602,666.48/831,619.20 = 360,942.88/x
  3. Step 3: Cross multiply
    602,666.48x = 831,619.20 × 360,942.88
  4. Step 4: Simplify right side
    602,666.48x = 300,167,029,111.30
  5. Step 5: Solve for x
    x = 300,167,029,111.30/602,666.48
  6. Step 6: Final answer
    x = 498,064.91

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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.