Home / 688,615.45-1,032,923.18-369,750.85

Finding the Fourth Proportional to 688,615.45, 1,032,923.18 and 369,750.85

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Solution

The fourth proportional to 688,615.45, 1,032,923.18 and 369,750.85 is: 554,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,615.45 : 1,032,923.18 = 369,750.85 : x
  2. Step 2: Convert to fraction form
    688,615.45/1,032,923.18 = 369,750.85/x
  3. Step 3: Cross multiply
    688,615.45x = 1,032,923.18 × 369,750.85
  4. Step 4: Simplify right side
    688,615.45x = 381,924,221,940.95
  5. Step 5: Solve for x
    x = 381,924,221,940.95/688,615.45
  6. Step 6: Final answer
    x = 554,626.28

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Double scale
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Similar ratio
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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.