Home / 915,175.20-1,262,514.60-575,830.56

Finding the Fourth Proportional to 915,175.20, 1,262,514.60 and 575,830.56

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Solution

The fourth proportional to 915,175.20, 1,262,514.60 and 575,830.56 is: 794,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,175.20 : 1,262,514.60 = 575,830.56 : x
  2. Step 2: Convert to fraction form
    915,175.20/1,262,514.60 = 575,830.56/x
  3. Step 3: Cross multiply
    915,175.20x = 1,262,514.60 × 575,830.56
  4. Step 4: Simplify right side
    915,175.20x = 726,994,482,813.60
  5. Step 5: Solve for x
    x = 726,994,482,813.60/915,175.20
  6. Step 6: Final answer
    x = 794,377.39

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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.