Home / 742,006.69-1,112,726.30-404,867.12

Finding the Fourth Proportional to 742,006.69, 1,112,726.30 and 404,867.12

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Solution

The fourth proportional to 742,006.69, 1,112,726.30 and 404,867.12 is: 607,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,006.69 : 1,112,726.30 = 404,867.12 : x
  2. Step 2: Convert to fraction form
    742,006.69/1,112,726.30 = 404,867.12/x
  3. Step 3: Cross multiply
    742,006.69x = 1,112,726.30 × 404,867.12
  4. Step 4: Simplify right side
    742,006.69x = 450,506,293,377.75
  5. Step 5: Solve for x
    x = 450,506,293,377.75/742,006.69
  6. Step 6: Final answer
    x = 607,145.87

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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.