Home / 936,539.19-1,292,427.35-506,819.22

Finding the Fourth Proportional to 936,539.19, 1,292,427.35 and 506,819.22

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Solution

The fourth proportional to 936,539.19, 1,292,427.35 and 506,819.22 is: 699,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,539.19 : 1,292,427.35 = 506,819.22 : x
  2. Step 2: Convert to fraction form
    936,539.19/1,292,427.35 = 506,819.22/x
  3. Step 3: Cross multiply
    936,539.19x = 1,292,427.35 × 506,819.22
  4. Step 4: Simplify right side
    936,539.19x = 655,027,018,899.57
  5. Step 5: Solve for x
    x = 655,027,018,899.57/936,539.19
  6. Step 6: Final answer
    x = 699,412.29

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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.