Home / 1,330,897.90-1,996,346.85-384,364.30

Finding the Fourth Proportional to 1,330,897.90, 1,996,346.85 and 384,364.30

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Solution

The fourth proportional to 1,330,897.90, 1,996,346.85 and 384,364.30 is: 576,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,897.90 : 1,996,346.85 = 384,364.30 : x
  2. Step 2: Convert to fraction form
    1,330,897.90/1,996,346.85 = 384,364.30/x
  3. Step 3: Cross multiply
    1,330,897.90x = 1,996,346.85 × 384,364.30
  4. Step 4: Simplify right side
    1,330,897.90x = 767,324,459,557.46
  5. Step 5: Solve for x
    x = 767,324,459,557.46/1,330,897.90
  6. Step 6: Final answer
    x = 576,546.45

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Double scale
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Similar ratio
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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.