Home / 688,926.72-950,878.80-434,625.60

Finding the Fourth Proportional to 688,926.72, 950,878.80 and 434,625.60

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Solution

The fourth proportional to 688,926.72, 950,878.80 and 434,625.60 is: 599,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,926.72 : 950,878.80 = 434,625.60 : x
  2. Step 2: Convert to fraction form
    688,926.72/950,878.80 = 434,625.60/x
  3. Step 3: Cross multiply
    688,926.72x = 950,878.80 × 434,625.60
  4. Step 4: Simplify right side
    688,926.72x = 413,276,268,977.28
  5. Step 5: Solve for x
    x = 413,276,268,977.28/688,926.72
  6. Step 6: Final answer
    x = 599,884.22

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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.