Home / 804,219.21-1,109,841.12-460,087.47

Finding the Fourth Proportional to 804,219.21, 1,109,841.12 and 460,087.47

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Solution

The fourth proportional to 804,219.21, 1,109,841.12 and 460,087.47 is: 634,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,219.21 : 1,109,841.12 = 460,087.47 : x
  2. Step 2: Convert to fraction form
    804,219.21/1,109,841.12 = 460,087.47/x
  3. Step 3: Cross multiply
    804,219.21x = 1,109,841.12 × 460,087.47
  4. Step 4: Simplify right side
    804,219.21x = 510,623,993,002.77
  5. Step 5: Solve for x
    x = 510,623,993,002.77/804,219.21
  6. Step 6: Final answer
    x = 634,931.36

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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.