Home / 480,723.04-720,033.60-243,658.72

Finding the Fourth Proportional to 480,723.04, 720,033.60 and 243,658.72

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Solution

The fourth proportional to 480,723.04, 720,033.60 and 243,658.72 is: 364,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,723.04 : 720,033.60 = 243,658.72 : x
  2. Step 2: Convert to fraction form
    480,723.04/720,033.60 = 243,658.72/x
  3. Step 3: Cross multiply
    480,723.04x = 720,033.60 × 243,658.72
  4. Step 4: Simplify right side
    480,723.04x = 175,442,465,332.99
  5. Step 5: Solve for x
    x = 175,442,465,332.99/480,723.04
  6. Step 6: Final answer
    x = 364,955.39

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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.