Home / 688,509.12-1,032,735.60-239,331.84

Finding the Fourth Proportional to 688,509.12, 1,032,735.60 and 239,331.84

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Solution

The fourth proportional to 688,509.12, 1,032,735.60 and 239,331.84 is: 358,988.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,509.12 : 1,032,735.60 = 239,331.84 : x
  2. Step 2: Convert to fraction form
    688,509.12/1,032,735.60 = 239,331.84/x
  3. Step 3: Cross multiply
    688,509.12x = 1,032,735.60 × 239,331.84
  4. Step 4: Simplify right side
    688,509.12x = 247,166,511,381.50
  5. Step 5: Solve for x
    x = 247,166,511,381.50/688,509.12
  6. Step 6: Final answer
    x = 358,988.00

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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.