Home / 736,656.96-1,104,985.44-487,280.64

Finding the Fourth Proportional to 736,656.96, 1,104,985.44 and 487,280.64

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Solution

The fourth proportional to 736,656.96, 1,104,985.44 and 487,280.64 is: 730,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,656.96 : 1,104,985.44 = 487,280.64 : x
  2. Step 2: Convert to fraction form
    736,656.96/1,104,985.44 = 487,280.64/x
  3. Step 3: Cross multiply
    736,656.96x = 1,104,985.44 × 487,280.64
  4. Step 4: Simplify right side
    736,656.96x = 538,438,012,393.88
  5. Step 5: Solve for x
    x = 538,438,012,393.88/736,656.96
  6. Step 6: Final answer
    x = 730,920.96

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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.