Home / 672,350.40-1,007,143.20-462,225.60

Finding the Fourth Proportional to 672,350.40, 1,007,143.20 and 462,225.60

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Solution

The fourth proportional to 672,350.40, 1,007,143.20 and 462,225.60 is: 692,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,350.40 : 1,007,143.20 = 462,225.60 : x
  2. Step 2: Convert to fraction form
    672,350.40/1,007,143.20 = 462,225.60/x
  3. Step 3: Cross multiply
    672,350.40x = 1,007,143.20 × 462,225.60
  4. Step 4: Simplify right side
    672,350.40x = 465,527,369,905.92
  5. Step 5: Solve for x
    x = 465,527,369,905.92/672,350.40
  6. Step 6: Final answer
    x = 692,388.03

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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.