Home / 748,085.10-1,031,998.77-543,819.30

Finding the Fourth Proportional to 748,085.10, 1,031,998.77 and 543,819.30

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Solution

The fourth proportional to 748,085.10, 1,031,998.77 and 543,819.30 is: 750,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,085.10 : 1,031,998.77 = 543,819.30 : x
  2. Step 2: Convert to fraction form
    748,085.10/1,031,998.77 = 543,819.30/x
  3. Step 3: Cross multiply
    748,085.10x = 1,031,998.77 × 543,819.30
  4. Step 4: Simplify right side
    748,085.10x = 561,220,848,702.26
  5. Step 5: Solve for x
    x = 561,220,848,702.26/748,085.10
  6. Step 6: Final answer
    x = 750,209.90

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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.