Home / 578,303.91-867,499.70-178,985.07

Finding the Fourth Proportional to 578,303.91, 867,499.70 and 178,985.07

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Solution

The fourth proportional to 578,303.91, 867,499.70 and 178,985.07 is: 268,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,303.91 : 867,499.70 = 178,985.07 : x
  2. Step 2: Convert to fraction form
    578,303.91/867,499.70 = 178,985.07/x
  3. Step 3: Cross multiply
    578,303.91x = 867,499.70 × 178,985.07
  4. Step 4: Simplify right side
    578,303.91x = 155,269,493,634.55
  5. Step 5: Solve for x
    x = 155,269,493,634.55/578,303.91
  6. Step 6: Final answer
    x = 268,491.17

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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.