Home / 688,559.70-1,032,838.75-239,280.60

Finding the Fourth Proportional to 688,559.70, 1,032,838.75 and 239,280.60

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Solution

The fourth proportional to 688,559.70, 1,032,838.75 and 239,280.60 is: 358,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,559.70 : 1,032,838.75 = 239,280.60 : x
  2. Step 2: Convert to fraction form
    688,559.70/1,032,838.75 = 239,280.60/x
  3. Step 3: Cross multiply
    688,559.70x = 1,032,838.75 × 239,280.60
  4. Step 4: Simplify right side
    688,559.70x = 247,138,275,803.25
  5. Step 5: Solve for x
    x = 247,138,275,803.25/688,559.70
  6. Step 6: Final answer
    x = 358,920.62

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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.