Home / 724,136.96-1,086,281.28-268,852.77

Finding the Fourth Proportional to 724,136.96, 1,086,281.28 and 268,852.77

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Solution

The fourth proportional to 724,136.96, 1,086,281.28 and 268,852.77 is: 403,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,136.96 : 1,086,281.28 = 268,852.77 : x
  2. Step 2: Convert to fraction form
    724,136.96/1,086,281.28 = 268,852.77/x
  3. Step 3: Cross multiply
    724,136.96x = 1,086,281.28 × 268,852.77
  4. Step 4: Simplify right side
    724,136.96x = 292,049,731,127.15
  5. Step 5: Solve for x
    x = 292,049,731,127.15/724,136.96
  6. Step 6: Final answer
    x = 403,307.31

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1.5x scale

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.