Home / 776,490.24-1,071,553.12-436,964.16

Finding the Fourth Proportional to 776,490.24, 1,071,553.12 and 436,964.16

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Solution

The fourth proportional to 776,490.24, 1,071,553.12 and 436,964.16 is: 603,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,490.24 : 1,071,553.12 = 436,964.16 : x
  2. Step 2: Convert to fraction form
    776,490.24/1,071,553.12 = 436,964.16/x
  3. Step 3: Cross multiply
    776,490.24x = 1,071,553.12 × 436,964.16
  4. Step 4: Simplify right side
    776,490.24x = 468,230,308,976.18
  5. Step 5: Solve for x
    x = 468,230,308,976.18/776,490.24
  6. Step 6: Final answer
    x = 603,008.62

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Double scale
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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.