Home / 804,967.72-1,110,790.38-465,457.84

Finding the Fourth Proportional to 804,967.72, 1,110,790.38 and 465,457.84

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Solution

The fourth proportional to 804,967.72, 1,110,790.38 and 465,457.84 is: 642,294.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,967.72 : 1,110,790.38 = 465,457.84 : x
  2. Step 2: Convert to fraction form
    804,967.72/1,110,790.38 = 465,457.84/x
  3. Step 3: Cross multiply
    804,967.72x = 1,110,790.38 × 465,457.84
  4. Step 4: Simplify right side
    804,967.72x = 517,026,090,967.58
  5. Step 5: Solve for x
    x = 517,026,090,967.58/804,967.72
  6. Step 6: Final answer
    x = 642,294.19

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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.