Home / 862,311.29-1,190,026.35-480,338.24

Finding the Fourth Proportional to 862,311.29, 1,190,026.35 and 480,338.24

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Solution

The fourth proportional to 862,311.29, 1,190,026.35 and 480,338.24 is: 662,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,311.29 : 1,190,026.35 = 480,338.24 : x
  2. Step 2: Convert to fraction form
    862,311.29/1,190,026.35 = 480,338.24/x
  3. Step 3: Cross multiply
    862,311.29x = 1,190,026.35 × 480,338.24
  4. Step 4: Simplify right side
    862,311.29x = 571,615,156,562.49
  5. Step 5: Solve for x
    x = 571,615,156,562.49/862,311.29
  6. Step 6: Final answer
    x = 662,887.25

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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.