Home / 742,499.96-1,024,650.46-402,968.20

Finding the Fourth Proportional to 742,499.96, 1,024,650.46 and 402,968.20

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Solution

The fourth proportional to 742,499.96, 1,024,650.46 and 402,968.20 is: 556,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,499.96 : 1,024,650.46 = 402,968.20 : x
  2. Step 2: Convert to fraction form
    742,499.96/1,024,650.46 = 402,968.20/x
  3. Step 3: Cross multiply
    742,499.96x = 1,024,650.46 × 402,968.20
  4. Step 4: Simplify right side
    742,499.96x = 412,901,551,495.37
  5. Step 5: Solve for x
    x = 412,901,551,495.37/742,499.96
  6. Step 6: Final answer
    x = 556,096.40

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Double scale
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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.