Home / 740,465.70-1,110,698.55-424,662.90

Finding the Fourth Proportional to 740,465.70, 1,110,698.55 and 424,662.90

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Solution

The fourth proportional to 740,465.70, 1,110,698.55 and 424,662.90 is: 636,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,465.70 : 1,110,698.55 = 424,662.90 : x
  2. Step 2: Convert to fraction form
    740,465.70/1,110,698.55 = 424,662.90/x
  3. Step 3: Cross multiply
    740,465.70x = 1,110,698.55 × 424,662.90
  4. Step 4: Simplify right side
    740,465.70x = 471,672,467,268.80
  5. Step 5: Solve for x
    x = 471,672,467,268.80/740,465.70
  6. Step 6: Final answer
    x = 636,994.35

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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.