Home / 724,796.81-1,000,252.80-402,508.34

Finding the Fourth Proportional to 724,796.81, 1,000,252.80 and 402,508.34

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Solution

The fourth proportional to 724,796.81, 1,000,252.80 and 402,508.34 is: 555,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,796.81 : 1,000,252.80 = 402,508.34 : x
  2. Step 2: Convert to fraction form
    724,796.81/1,000,252.80 = 402,508.34/x
  3. Step 3: Cross multiply
    724,796.81x = 1,000,252.80 × 402,508.34
  4. Step 4: Simplify right side
    724,796.81x = 402,610,089,107.09
  5. Step 5: Solve for x
    x = 402,610,089,107.09/724,796.81
  6. Step 6: Final answer
    x = 555,479.94

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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.