Home / 804,740.48-1,207,111.15-299,235.77

Finding the Fourth Proportional to 804,740.48, 1,207,111.15 and 299,235.77

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Solution

The fourth proportional to 804,740.48, 1,207,111.15 and 299,235.77 is: 448,853.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,740.48 : 1,207,111.15 = 299,235.77 : x
  2. Step 2: Convert to fraction form
    804,740.48/1,207,111.15 = 299,235.77/x
  3. Step 3: Cross multiply
    804,740.48x = 1,207,111.15 × 299,235.77
  4. Step 4: Simplify right side
    804,740.48x = 361,210,833,310.99
  5. Step 5: Solve for x
    x = 361,210,833,310.99/804,740.48
  6. Step 6: Final answer
    x = 448,853.81

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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.