Home / 745,726.27-1,116,504.87-402,941.56

Finding the Fourth Proportional to 745,726.27, 1,116,504.87 and 402,941.56

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Solution

The fourth proportional to 745,726.27, 1,116,504.87 and 402,941.56 is: 603,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,726.27 : 1,116,504.87 = 402,941.56 : x
  2. Step 2: Convert to fraction form
    745,726.27/1,116,504.87 = 402,941.56/x
  3. Step 3: Cross multiply
    745,726.27x = 1,116,504.87 × 402,941.56
  4. Step 4: Simplify right side
    745,726.27x = 449,886,214,065.40
  5. Step 5: Solve for x
    x = 449,886,214,065.40/745,726.27
  6. Step 6: Final answer
    x = 603,285.99

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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.