Home / 742,196.61-1,024,227.05-402,657.57

Finding the Fourth Proportional to 742,196.61, 1,024,227.05 and 402,657.57

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Solution

The fourth proportional to 742,196.61, 1,024,227.05 and 402,657.57 is: 555,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,196.61 : 1,024,227.05 = 402,657.57 : x
  2. Step 2: Convert to fraction form
    742,196.61/1,024,227.05 = 402,657.57/x
  3. Step 3: Cross multiply
    742,196.61x = 1,024,227.05 × 402,657.57
  4. Step 4: Simplify right side
    742,196.61x = 412,412,773,067.98
  5. Step 5: Solve for x
    x = 412,412,773,067.98/742,196.61
  6. Step 6: Final answer
    x = 555,665.13

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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.