Home / 495,002.40-742,114.80-273,386.40

Finding the Fourth Proportional to 495,002.40, 742,114.80 and 273,386.40

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Solution

The fourth proportional to 495,002.40, 742,114.80 and 273,386.40 is: 409,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,002.40 : 742,114.80 = 273,386.40 : x
  2. Step 2: Convert to fraction form
    495,002.40/742,114.80 = 273,386.40/x
  3. Step 3: Cross multiply
    495,002.40x = 742,114.80 × 273,386.40
  4. Step 4: Simplify right side
    495,002.40x = 202,884,093,558.72
  5. Step 5: Solve for x
    x = 202,884,093,558.72/495,002.40
  6. Step 6: Final answer
    x = 409,864.87

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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.