Home / 740,267.08-1,110,400.49-403,590.85

Finding the Fourth Proportional to 740,267.08, 1,110,400.49 and 403,590.85

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Solution

The fourth proportional to 740,267.08, 1,110,400.49 and 403,590.85 is: 605,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,267.08 : 1,110,400.49 = 403,590.85 : x
  2. Step 2: Convert to fraction form
    740,267.08/1,110,400.49 = 403,590.85/x
  3. Step 3: Cross multiply
    740,267.08x = 1,110,400.49 × 403,590.85
  4. Step 4: Simplify right side
    740,267.08x = 448,147,475,581.56
  5. Step 5: Solve for x
    x = 448,147,475,581.56/740,267.08
  6. Step 6: Final answer
    x = 605,386.21

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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.