Home / 863,042.65-1,293,665.78-483,406.79

Finding the Fourth Proportional to 863,042.65, 1,293,665.78 and 483,406.79

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Solution

The fourth proportional to 863,042.65, 1,293,665.78 and 483,406.79 is: 724,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,042.65 : 1,293,665.78 = 483,406.79 : x
  2. Step 2: Convert to fraction form
    863,042.65/1,293,665.78 = 483,406.79/x
  3. Step 3: Cross multiply
    863,042.65x = 1,293,665.78 × 483,406.79
  4. Step 4: Simplify right side
    863,042.65x = 625,366,816,782.83
  5. Step 5: Solve for x
    x = 625,366,816,782.83/863,042.65
  6. Step 6: Final answer
    x = 724,607.08

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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.