Home / 742,507.45-1,024,660.70-402,975.70

Finding the Fourth Proportional to 742,507.45, 1,024,660.70 and 402,975.70

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Solution

The fourth proportional to 742,507.45, 1,024,660.70 and 402,975.70 is: 556,106.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,507.45 : 1,024,660.70 = 402,975.70 : x
  2. Step 2: Convert to fraction form
    742,507.45/1,024,660.70 = 402,975.70/x
  3. Step 3: Cross multiply
    742,507.45x = 1,024,660.70 × 402,975.70
  4. Step 4: Simplify right side
    742,507.45x = 412,913,362,844.99
  5. Step 5: Solve for x
    x = 412,913,362,844.99/742,507.45
  6. Step 6: Final answer
    x = 556,106.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.