Home / 742,656.54-1,024,887.15-403,146.66

Finding the Fourth Proportional to 742,656.54, 1,024,887.15 and 403,146.66

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Solution

The fourth proportional to 742,656.54, 1,024,887.15 and 403,146.66 is: 556,353.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,656.54 : 1,024,887.15 = 403,146.66 : x
  2. Step 2: Convert to fraction form
    742,656.54/1,024,887.15 = 403,146.66/x
  3. Step 3: Cross multiply
    742,656.54x = 1,024,887.15 × 403,146.66
  4. Step 4: Simplify right side
    742,656.54x = 413,179,831,399.42
  5. Step 5: Solve for x
    x = 413,179,831,399.42/742,656.54
  6. Step 6: Final answer
    x = 556,353.86

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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.