Home / 743,802.16-1,026,458.60-404,271.24

Finding the Fourth Proportional to 743,802.16, 1,026,458.60 and 404,271.24

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Solution

The fourth proportional to 743,802.16, 1,026,458.60 and 404,271.24 is: 557,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,802.16 : 1,026,458.60 = 404,271.24 : x
  2. Step 2: Convert to fraction form
    743,802.16/1,026,458.60 = 404,271.24/x
  3. Step 3: Cross multiply
    743,802.16x = 1,026,458.60 × 404,271.24
  4. Step 4: Simplify right side
    743,802.16x = 414,967,691,030.66
  5. Step 5: Solve for x
    x = 414,967,691,030.66/743,802.16
  6. Step 6: Final answer
    x = 557,900.63

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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.