Home / 742,200.84-1,024,240.68-402,669

Finding the Fourth Proportional to 742,200.84, 1,024,240.68 and 402,669

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Solution

The fourth proportional to 742,200.84, 1,024,240.68 and 402,669 is: 555,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,200.84 : 1,024,240.68 = 402,669 : x
  2. Step 2: Convert to fraction form
    742,200.84/1,024,240.68 = 402,669/x
  3. Step 3: Cross multiply
    742,200.84x = 1,024,240.68 × 402,669
  4. Step 4: Simplify right side
    742,200.84x = 412,429,970,374.92
  5. Step 5: Solve for x
    x = 412,429,970,374.92/742,200.84
  6. Step 6: Final answer
    x = 555,685.13

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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.