Home / 554,379.60-831,569.40-355,089.23

Finding the Fourth Proportional to 554,379.60, 831,569.40 and 355,089.23

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Solution

The fourth proportional to 554,379.60, 831,569.40 and 355,089.23 is: 532,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,379.60 : 831,569.40 = 355,089.23 : x
  2. Step 2: Convert to fraction form
    554,379.60/831,569.40 = 355,089.23/x
  3. Step 3: Cross multiply
    554,379.60x = 831,569.40 × 355,089.23
  4. Step 4: Simplify right side
    554,379.60x = 295,281,337,937.56
  5. Step 5: Solve for x
    x = 295,281,337,937.56/554,379.60
  6. Step 6: Final answer
    x = 532,633.85

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Similar ratio
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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.