Home / 742,435.00-1,024,560.31-402,903.25

Finding the Fourth Proportional to 742,435.00, 1,024,560.31 and 402,903.25

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Solution

The fourth proportional to 742,435.00, 1,024,560.31 and 402,903.25 is: 556,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,435.00 : 1,024,560.31 = 402,903.25 : x
  2. Step 2: Convert to fraction form
    742,435.00/1,024,560.31 = 402,903.25/x
  3. Step 3: Cross multiply
    742,435.00x = 1,024,560.31 × 402,903.25
  4. Step 4: Simplify right side
    742,435.00x = 412,798,684,320.82
  5. Step 5: Solve for x
    x = 412,798,684,320.82/742,435.00
  6. Step 6: Final answer
    x = 556,006.49

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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.