Home / 688,564.83-950,158.95-382,621.82

Finding the Fourth Proportional to 688,564.83, 950,158.95 and 382,621.82

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Solution

The fourth proportional to 688,564.83, 950,158.95 and 382,621.82 is: 527,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,564.83 : 950,158.95 = 382,621.82 : x
  2. Step 2: Convert to fraction form
    688,564.83/950,158.95 = 382,621.82/x
  3. Step 3: Cross multiply
    688,564.83x = 950,158.95 × 382,621.82
  4. Step 4: Simplify right side
    688,564.83x = 363,551,541,987.49
  5. Step 5: Solve for x
    x = 363,551,541,987.49/688,564.83
  6. Step 6: Final answer
    x = 527,984.48

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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.