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Finding the Fourth Proportional to 830,574, 1,246,069.08 and 239,598

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Solution

The fourth proportional to 830,574, 1,246,069.08 and 239,598 is: 359,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,574 : 1,246,069.08 = 239,598 : x
  2. Step 2: Convert to fraction form
    830,574/1,246,069.08 = 239,598/x
  3. Step 3: Cross multiply
    830,574x = 1,246,069.08 × 239,598
  4. Step 4: Simplify right side
    830,574x = 298,555,659,429.84
  5. Step 5: Solve for x
    x = 298,555,659,429.84/830,574
  6. Step 6: Final answer
    x = 359,457.03

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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.