Home / 739,652.37-1,020,710.33-412,970.39

Finding the Fourth Proportional to 739,652.37, 1,020,710.33 and 412,970.39

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Solution

The fourth proportional to 739,652.37, 1,020,710.33 and 412,970.39 is: 569,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,652.37 : 1,020,710.33 = 412,970.39 : x
  2. Step 2: Convert to fraction form
    739,652.37/1,020,710.33 = 412,970.39/x
  3. Step 3: Cross multiply
    739,652.37x = 1,020,710.33 × 412,970.39
  4. Step 4: Simplify right side
    739,652.37x = 421,523,141,390.28
  5. Step 5: Solve for x
    x = 421,523,141,390.28/739,652.37
  6. Step 6: Final answer
    x = 569,893.58

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Double scale
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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.