Home / 688,933.20-1,033,423.11-239,657.96

Finding the Fourth Proportional to 688,933.20, 1,033,423.11 and 239,657.96

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Solution

The fourth proportional to 688,933.20, 1,033,423.11 and 239,657.96 is: 359,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,933.20 : 1,033,423.11 = 239,657.96 : x
  2. Step 2: Convert to fraction form
    688,933.20/1,033,423.11 = 239,657.96/x
  3. Step 3: Cross multiply
    688,933.20x = 1,033,423.11 × 239,657.96
  4. Step 4: Simplify right side
    688,933.20x = 247,668,071,130.01
  5. Step 5: Solve for x
    x = 247,668,071,130.01/688,933.20
  6. Step 6: Final answer
    x = 359,495.05

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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.