Home / 724,354.34-999,563.28-402,045.62

Finding the Fourth Proportional to 724,354.34, 999,563.28 and 402,045.62

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Solution

The fourth proportional to 724,354.34, 999,563.28 and 402,045.62 is: 554,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,354.34 : 999,563.28 = 402,045.62 : x
  2. Step 2: Convert to fraction form
    724,354.34/999,563.28 = 402,045.62/x
  3. Step 3: Cross multiply
    724,354.34x = 999,563.28 × 402,045.62
  4. Step 4: Simplify right side
    724,354.34x = 401,870,038,636.83
  5. Step 5: Solve for x
    x = 401,870,038,636.83/724,354.34
  6. Step 6: Final answer
    x = 554,797.59

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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.