Home / 688,588.35-950,275-382,677.63

Finding the Fourth Proportional to 688,588.35, 950,275 and 382,677.63

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Solution

The fourth proportional to 688,588.35, 950,275 and 382,677.63 is: 528,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,588.35 : 950,275 = 382,677.63 : x
  2. Step 2: Convert to fraction form
    688,588.35/950,275 = 382,677.63/x
  3. Step 3: Cross multiply
    688,588.35x = 950,275 × 382,677.63
  4. Step 4: Simplify right side
    688,588.35x = 363,648,980,096.88
  5. Step 5: Solve for x
    x = 363,648,980,096.88/688,588.35
  6. Step 6: Final answer
    x = 528,107.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.