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Finding the Fourth Proportional to 724,382.66, 999,651.93 and 452,608.15

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Solution

The fourth proportional to 724,382.66, 999,651.93 and 452,608.15 is: 624,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,382.66 : 999,651.93 = 452,608.15 : x
  2. Step 2: Convert to fraction form
    724,382.66/999,651.93 = 452,608.15/x
  3. Step 3: Cross multiply
    724,382.66x = 999,651.93 × 452,608.15
  4. Step 4: Simplify right side
    724,382.66x = 452,450,610,681.23
  5. Step 5: Solve for x
    x = 452,450,610,681.23/724,382.66
  6. Step 6: Final answer
    x = 624,601.66

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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.