Home / 745,706.64-1,116,475.42-402,921.94

Finding the Fourth Proportional to 745,706.64, 1,116,475.42 and 402,921.94

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Solution

The fourth proportional to 745,706.64, 1,116,475.42 and 402,921.94 is: 603,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,706.64 : 1,116,475.42 = 402,921.94 : x
  2. Step 2: Convert to fraction form
    745,706.64/1,116,475.42 = 402,921.94/x
  3. Step 3: Cross multiply
    745,706.64x = 1,116,475.42 × 402,921.94
  4. Step 4: Simplify right side
    745,706.64x = 449,852,442,188.72
  5. Step 5: Solve for x
    x = 449,852,442,188.72/745,706.64
  6. Step 6: Final answer
    x = 603,256.59

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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.