Home / 742,558.83-1,024,703.78-403,019.79

Finding the Fourth Proportional to 742,558.83, 1,024,703.78 and 403,019.79

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Solution

The fourth proportional to 742,558.83, 1,024,703.78 and 403,019.79 is: 556,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,558.83 : 1,024,703.78 = 403,019.79 : x
  2. Step 2: Convert to fraction form
    742,558.83/1,024,703.78 = 403,019.79/x
  3. Step 3: Cross multiply
    742,558.83x = 1,024,703.78 × 403,019.79
  4. Step 4: Simplify right side
    742,558.83x = 412,975,900,212.71
  5. Step 5: Solve for x
    x = 412,975,900,212.71/742,558.83
  6. Step 6: Final answer
    x = 556,152.43

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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.