Home / 390,957.03-586,481.72-124,624.17

Finding the Fourth Proportional to 390,957.03, 586,481.72 and 124,624.17

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Solution

The fourth proportional to 390,957.03, 586,481.72 and 124,624.17 is: 186,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,957.03 : 586,481.72 = 124,624.17 : x
  2. Step 2: Convert to fraction form
    390,957.03/586,481.72 = 124,624.17/x
  3. Step 3: Cross multiply
    390,957.03x = 586,481.72 × 124,624.17
  4. Step 4: Simplify right side
    390,957.03x = 73,089,796,952.05
  5. Step 5: Solve for x
    x = 73,089,796,952.05/390,957.03
  6. Step 6: Final answer
    x = 186,950.97

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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.