Home / 724,706.93-1,086,722.91-268,980.80

Finding the Fourth Proportional to 724,706.93, 1,086,722.91 and 268,980.80

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Solution

The fourth proportional to 724,706.93, 1,086,722.91 and 268,980.80 is: 403,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,706.93 : 1,086,722.91 = 268,980.80 : x
  2. Step 2: Convert to fraction form
    724,706.93/1,086,722.91 = 268,980.80/x
  3. Step 3: Cross multiply
    724,706.93x = 1,086,722.91 × 268,980.80
  4. Step 4: Simplify right side
    724,706.93x = 292,307,592,276.51
  5. Step 5: Solve for x
    x = 292,307,592,276.51/724,706.93
  6. Step 6: Final answer
    x = 403,345.93

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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.