Home / 495,123.46-742,565.70-228,627.79

Finding the Fourth Proportional to 495,123.46, 742,565.70 and 228,627.79

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Solution

The fourth proportional to 495,123.46, 742,565.70 and 228,627.79 is: 342,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,123.46 : 742,565.70 = 228,627.79 : x
  2. Step 2: Convert to fraction form
    495,123.46/742,565.70 = 228,627.79/x
  3. Step 3: Cross multiply
    495,123.46x = 742,565.70 × 228,627.79
  4. Step 4: Simplify right side
    495,123.46x = 169,771,154,920.80
  5. Step 5: Solve for x
    x = 169,771,154,920.80/495,123.46
  6. Step 6: Final answer
    x = 342,886.51

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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.