Home / 743,802.20-1,026,453.78-404,271.24

Finding the Fourth Proportional to 743,802.20, 1,026,453.78 and 404,271.24

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Solution

The fourth proportional to 743,802.20, 1,026,453.78 and 404,271.24 is: 557,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,802.20 : 1,026,453.78 = 404,271.24 : x
  2. Step 2: Convert to fraction form
    743,802.20/1,026,453.78 = 404,271.24/x
  3. Step 3: Cross multiply
    743,802.20x = 1,026,453.78 × 404,271.24
  4. Step 4: Simplify right side
    743,802.20x = 414,965,742,443.29
  5. Step 5: Solve for x
    x = 414,965,742,443.29/743,802.20
  6. Step 6: Final answer
    x = 557,897.98

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1.5x scale

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.