Home / 743,042.54-1,025,712.60-501,652.08

Finding the Fourth Proportional to 743,042.54, 1,025,712.60 and 501,652.08

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Solution

The fourth proportional to 743,042.54, 1,025,712.60 and 501,652.08 is: 692,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,042.54 : 1,025,712.60 = 501,652.08 : x
  2. Step 2: Convert to fraction form
    743,042.54/1,025,712.60 = 501,652.08/x
  3. Step 3: Cross multiply
    743,042.54x = 1,025,712.60 × 501,652.08
  4. Step 4: Simplify right side
    743,042.54x = 514,550,859,272.21
  5. Step 5: Solve for x
    x = 514,550,859,272.21/743,042.54
  6. Step 6: Final answer
    x = 692,491.79

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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.