Home / 882,529.12-1,218,313.20-543,288.16

Finding the Fourth Proportional to 882,529.12, 1,218,313.20 and 543,288.16

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Solution

The fourth proportional to 882,529.12, 1,218,313.20 and 543,288.16 is: 749,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,529.12 : 1,218,313.20 = 543,288.16 : x
  2. Step 2: Convert to fraction form
    882,529.12/1,218,313.20 = 543,288.16/x
  3. Step 3: Cross multiply
    882,529.12x = 1,218,313.20 × 543,288.16
  4. Step 4: Simplify right side
    882,529.12x = 661,895,136,731.71
  5. Step 5: Solve for x
    x = 661,895,136,731.71/882,529.12
  6. Step 6: Final answer
    x = 749,998.07

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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.