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Finding the Fourth Proportional to 877.73, 1,316.60 and 602.99

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Solution

The fourth proportional to 877.73, 1,316.60 and 602.99 is: 904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    877.73 : 1,316.60 = 602.99 : x
  2. Step 2: Convert to fraction form
    877.73/1,316.60 = 602.99/x
  3. Step 3: Cross multiply
    877.73x = 1,316.60 × 602.99
  4. Step 4: Simplify right side
    877.73x = 793,893.62
  5. Step 5: Solve for x
    x = 793,893.62/877.73
  6. Step 6: Final answer
    x = 904.49

Related Problems

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Half scale
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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.