Home / 742,001.49-1,112,718.52-404,861.94

Finding the Fourth Proportional to 742,001.49, 1,112,718.52 and 404,861.94

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Solution

The fourth proportional to 742,001.49, 1,112,718.52 and 404,861.94 is: 607,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,001.49 : 1,112,718.52 = 404,861.94 : x
  2. Step 2: Convert to fraction form
    742,001.49/1,112,718.52 = 404,861.94/x
  3. Step 3: Cross multiply
    742,001.49x = 1,112,718.52 × 404,861.94
  4. Step 4: Simplify right side
    742,001.49x = 450,497,384,557.34
  5. Step 5: Solve for x
    x = 450,497,384,557.34/742,001.49
  6. Step 6: Final answer
    x = 607,138.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.