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Finding the Fourth Proportional to 724,007.34, 999,114.84 and 401,710.50

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Solution

The fourth proportional to 724,007.34, 999,114.84 and 401,710.50 is: 554,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,007.34 : 999,114.84 = 401,710.50 : x
  2. Step 2: Convert to fraction form
    724,007.34/999,114.84 = 401,710.50/x
  3. Step 3: Cross multiply
    724,007.34x = 999,114.84 × 401,710.50
  4. Step 4: Simplify right side
    724,007.34x = 401,354,921,933.82
  5. Step 5: Solve for x
    x = 401,354,921,933.82/724,007.34
  6. Step 6: Final answer
    x = 554,352.01

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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.