Home / 495,063-742,475.58-228,567.47

Finding the Fourth Proportional to 495,063, 742,475.58 and 228,567.47

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Solution

The fourth proportional to 495,063, 742,475.58 and 228,567.47 is: 342,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,063 : 742,475.58 = 228,567.47 : x
  2. Step 2: Convert to fraction form
    495,063/742,475.58 = 228,567.47/x
  3. Step 3: Cross multiply
    495,063x = 742,475.58 × 228,567.47
  4. Step 4: Simplify right side
    495,063x = 169,705,761,145.01
  5. Step 5: Solve for x
    x = 169,705,761,145.01/495,063
  6. Step 6: Final answer
    x = 342,796.29

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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.