Home / 743,477.76-1,026,008.64-403,951.68

Finding the Fourth Proportional to 743,477.76, 1,026,008.64 and 403,951.68

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Solution

The fourth proportional to 743,477.76, 1,026,008.64 and 403,951.68 is: 557,458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,477.76 : 1,026,008.64 = 403,951.68 : x
  2. Step 2: Convert to fraction form
    743,477.76/1,026,008.64 = 403,951.68/x
  3. Step 3: Cross multiply
    743,477.76x = 1,026,008.64 × 403,951.68
  4. Step 4: Simplify right side
    743,477.76x = 414,457,913,822.52
  5. Step 5: Solve for x
    x = 414,457,913,822.52/743,477.76
  6. Step 6: Final answer
    x = 557,458.39

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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.