Home / 742,037.92-1,112,838-315,572.92

Finding the Fourth Proportional to 742,037.92, 1,112,838 and 315,572.92

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Solution

The fourth proportional to 742,037.92, 1,112,838 and 315,572.92 is: 473,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,037.92 : 1,112,838 = 315,572.92 : x
  2. Step 2: Convert to fraction form
    742,037.92/1,112,838 = 315,572.92/x
  3. Step 3: Cross multiply
    742,037.92x = 1,112,838 × 315,572.92
  4. Step 4: Simplify right side
    742,037.92x = 351,181,537,146.96
  5. Step 5: Solve for x
    x = 351,181,537,146.96/742,037.92
  6. Step 6: Final answer
    x = 473,266.29

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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.