Home / 482,011.40-723,017.10-245,815.40

Finding the Fourth Proportional to 482,011.40, 723,017.10 and 245,815.40

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Solution

The fourth proportional to 482,011.40, 723,017.10 and 245,815.40 is: 368,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,011.40 : 723,017.10 = 245,815.40 : x
  2. Step 2: Convert to fraction form
    482,011.40/723,017.10 = 245,815.40/x
  3. Step 3: Cross multiply
    482,011.40x = 723,017.10 × 245,815.40
  4. Step 4: Simplify right side
    482,011.40x = 177,728,737,643.34
  5. Step 5: Solve for x
    x = 177,728,737,643.34/482,011.40
  6. Step 6: Final answer
    x = 368,723.10

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Similar ratio
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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.