Home / 724,699.98-1,000,052.46-402,430.50

Finding the Fourth Proportional to 724,699.98, 1,000,052.46 and 402,430.50

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Solution

The fourth proportional to 724,699.98, 1,000,052.46 and 402,430.50 is: 555,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,699.98 : 1,000,052.46 = 402,430.50 : x
  2. Step 2: Convert to fraction form
    724,699.98/1,000,052.46 = 402,430.50/x
  3. Step 3: Cross multiply
    724,699.98x = 1,000,052.46 × 402,430.50
  4. Step 4: Simplify right side
    724,699.98x = 402,451,611,504.03
  5. Step 5: Solve for x
    x = 402,451,611,504.03/724,699.98
  6. Step 6: Final answer
    x = 555,335.48

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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.