Home / 779,854.02-1,169,780.97-425,166.30

Finding the Fourth Proportional to 779,854.02, 1,169,780.97 and 425,166.30

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Solution

The fourth proportional to 779,854.02, 1,169,780.97 and 425,166.30 is: 637,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,854.02 : 1,169,780.97 = 425,166.30 : x
  2. Step 2: Convert to fraction form
    779,854.02/1,169,780.97 = 425,166.30/x
  3. Step 3: Cross multiply
    779,854.02x = 1,169,780.97 × 425,166.30
  4. Step 4: Simplify right side
    779,854.02x = 497,351,446,825.31
  5. Step 5: Solve for x
    x = 497,351,446,825.31/779,854.02
  6. Step 6: Final answer
    x = 637,749.42

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.