Home / 755,969.78-1,133,384.49-456,379.14

Finding the Fourth Proportional to 755,969.78, 1,133,384.49 and 456,379.14

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Solution

The fourth proportional to 755,969.78, 1,133,384.49 and 456,379.14 is: 684,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,969.78 : 1,133,384.49 = 456,379.14 : x
  2. Step 2: Convert to fraction form
    755,969.78/1,133,384.49 = 456,379.14/x
  3. Step 3: Cross multiply
    755,969.78x = 1,133,384.49 × 456,379.14
  4. Step 4: Simplify right side
    755,969.78x = 517,253,038,835.54
  5. Step 5: Solve for x
    x = 517,253,038,835.54/755,969.78
  6. Step 6: Final answer
    x = 684,224.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.