Home / 688,682.84-1,032,432.62-239,345.34

Finding the Fourth Proportional to 688,682.84, 1,032,432.62 and 239,345.34

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Solution

The fourth proportional to 688,682.84, 1,032,432.62 and 239,345.34 is: 358,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,682.84 : 1,032,432.62 = 239,345.34 : x
  2. Step 2: Convert to fraction form
    688,682.84/1,032,432.62 = 239,345.34/x
  3. Step 3: Cross multiply
    688,682.84x = 1,032,432.62 × 239,345.34
  4. Step 4: Simplify right side
    688,682.84x = 247,107,936,460.99
  5. Step 5: Solve for x
    x = 247,107,936,460.99/688,682.84
  6. Step 6: Final answer
    x = 358,812.39

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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.